ASTRO SPACE NEWS

A DIVISION OF MID NORTH COAST ASTRONOMY (NSW)

(ASTRO) DAVE RENEKE

SPACE WRITER - MEDIA PERSONALITY - SCIENCE CORRESPONDENT ABC/COMMERCIAL RADIO - LECTURER - ASTRONOMY OUTREACH PROGRAMS - ASTRONOMY TOUR GUIDE - TELESCOPE SALES/SERVICE/LESSONS - MID NORTH COAST ASTRONOMY GROUP (Est. 2002)   Enquiries: (02) 6585 2260       Mobile: 0400 636 363        Email: davereneke@gmail.com

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   NOW IN OUR FIFTH YEAR ON NORFOLK ISLAND

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"Absolutely amazing!! I Learned so much. Dave's knowledge is amazing, and he made it sound so simple. What a great night, not what I expected! It's an awesome introduction to the night sky for first timers through the large telescope. Maureen Rivendell." Port Macquarie.

"This evening changed forever my understanding of the night sky. We saw 100km wide Moon craters, Jupiter and Saturn up close, amazing star clusters. Highly recommended for the entire family!" Ken Sorenson. Adelaide

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Warrumbungle National Park has once again put regional NSW on the world stage, recently being ranked the second-best stargazing destination on the planet in the 2026 Clean Sky Index. The Warrumbungles were recognised for their low light pollution, accessibility and internationally-recognised Dark Sky status. 

As Australia's first Dark Sky Park, Warrumbungle National Park continues to attract visitors from across the country and around the world, providing unforgettable views of the Milky Way, planets and meteor showers, alongside the world-class Siding Spring Observatory.This recognition is a testament to the region's unique natural assets. Congratulations to everyone involved in preserving this remarkable destination and showcasing the very best of regional NSW to the world.

There is something wonderfully appropriate about a telescope named after Nancy Grace Roman being on the verge of opening a new window on the cosmos. Roman was an astronomer who helped shape NASA's space-astronomy program and became known as the "mother of Hubble". Now, decades after she helped champion the idea of powerful space telescopes, an observatory carrying her name is preparing to take astronomy into another era.

The Nancy Grace Roman Space Telescope is scheduled for launch on August 30, 2026, aboard a SpaceX Falcon Heavy from Florida. Roman will not replace the James Webb Space Telescope, nor will it replace Hubble. Instead, it will do something they are not particularly good at doing: survey enormous areas of the sky quickly and deeply. Imagine photographing a postage stamp with a magnificent camera. You might see every detail. Now imagine photographing an entire city from above. You would lose some detail, but suddenly you could see the whole picture. That's Roman's great strength.

Its wide-field camera will survey huge regions of the universe, helping astronomers investigate dark energy, dark matter, galaxies and planets orbiting other stars. NASA expects the telescope eventually to image billions of galaxies. One particularly exciting target is the search for planets beyond our Solar System. Roman will use a technique called gravitational microlensing. When a star passes in front of a more distant star, its gravity bends and magnifies the background starlight. If a planet accompanies the foreground star, its presence can briefly reveal itself in the pattern of light. This technique could uncover planets that are otherwise extremely difficult to find, including distant worlds wandering in the colder outer regions of planetary systems.

But perhaps Roman's greatest gift will be the things nobody expects. That is what makes astronomy so exciting. The most important discoveries are often the ones scientists weren't looking for. Hubble showed us galaxies, nebulae and strange structures nobody had imagined. Webb has found unexpectedly mature galaxies in the early universe and mysterious objects such as the "little red dots". Roman will survey such enormous portions of the sky that astronomers expect it to uncover new phenomena simply because it is looking at so much of the universe.

And there is something rather moving about that. Nancy Grace Roman spent much of her career helping create the future of space astronomy. Now, a telescope bearing her name is about to go looking for the next great surprise. The universe has been waiting. Soon, Roman will start listening

High above Coonabarabran in northern New South Wales, beneath some of Australia's darkest and clearest skies, stands one of the nation's great scientific landmarks — the Anglo-Australian Telescope.

Opened in 1974, the AAT has spent more than five decades probing the universe, helping shape Australian astronomy, training generations of scientists and contributing to discoveries that have changed our understanding of the cosmos. Now, however, its future is uncertain.

Last Light at Siding Spring is a community campaign seeking a managed and meaningful future for the AAT, Australia's largest optical telescope and, for decades, the scientific heart of the Warrumbungle region.

This is about far more than preserving an ageing telescope. It is about ensuring that an extraordinary chapter of Australian science, community and exploration does not simply fade away.

More than a telescope

For the people of Coonabarabran, the AAT is woven into the identity of the town and the wider Warrumbungle region. It stands within Australia's first International Dark Sky Park, surrounded by the spectacular Warrumbungle National Park. In 2026, the region was ranked the second-best stargazing destination in the world, highlighting the extraordinary quality of its night skies and the growing global interest in astronomy.

The observatory attracts around 25,000 visitors each year and contributes more than $6 million annually to the local economy. Those numbers are significant for a regional community, but the AAT's value goes well beyond tourism and dollars.

For generations of Australians, it has represented curiosity and discovery — the remarkable idea that a telescope on a remote mountain could allow us to explore objects billions of light-years away and look deep into the history of the universe.

The funding cliff

That legacy now faces a difficult crossroads. Under the Australian Astronomy Decadal Plan 2026–2035, funding for the AAT is secured only until mid-2027, with no long-term commitment currently in place beyond that point.

The campaign accepts that the AAT has reached the natural end of its role as Australia's primary national optical research facility. Science advances, technologies change and newer instruments eventually take the place of those that once stood at the forefront.

But scientific progress does not have to mean simply switching off the lights and walking away.

The fear is that an unmanaged wind-down could leave behind not only a remarkable scientific instrument, but an irreplaceable piece of Australia's astronomical heritage and a regional economy that has grown alongside it.

A new chapter

The challenge now is to imagine what comes next. The AAT could potentially find new life through education, public astronomy, heritage, tourism, outreach or other forms of research. Its extraordinary history could also become part of an enduring destination where visitors experience the night sky and discover the story of Australian astronomy.

That is what Last Light at Siding Spring is ultimately asking Australia to consider. The final chapter should not be dictated by a funding deadline. After more than 50 years gathering faint light from distant stars and galaxies, the AAT deserves the opportunity to illuminate a new chapter of its own. When the last observing run eventually comes, the lights should not simply go out. They should mark the beginning of something new. SIGN THE PETITION

For generations, living in space belonged firmly to the realm of science fiction, where astronauts might spend months aboard orbiting spacecraft but ordinary people living and working beyond Earth seemed impossibly far away. Now, some of the world's most powerful technology billionaires believe that future may be arriving much sooner than anyone imagined.

A growing chorus of influential figures, including Elon Musk, Sam Altman, Jeff Bezos and billionaire space entrepreneur Dylan Taylor, share a striking vision of humanity eventually establishing a permanent presence beyond Earth, with people routinely travelling between our planet and the Moon. According to Taylor, that future could begin taking shape within the next decade.

The idea of commuting to the Moon by 2030 sounds extraordinary, yet the rapid development of reusable rockets, commercial spacecraft, private space stations and increasingly sophisticated lunar technology is steadily turning yesterday's fantasy into an emerging possibility. Humanity's goal is gradually shifting from simply visiting space to creating an economy there.

Taylor, who has invested heavily in the commercial space industry, believes humanity is approaching a fundamental turning point. Space is no longer solely the domain of national space agencies. Private companies are developing rockets, spacecraft, communications networks and lunar systems at a breathtaking pace, opening the possibility that scientists, engineers, construction workers, entrepreneurs and eventually tourists could spend significant periods of their lives away from Earth.

Jeff Bezos has long promoted the idea of millions of people eventually living and working in space, with heavy industry moved away from Earth. Elon Musk has repeatedly spoken about establishing a self-sustaining human civilisation on Mars, while Sam Altman has backed technologies and companies aimed at dramatically expanding humanity's capabilities in space.

Taylor's vision adds another intriguing possibility: the Moon could eventually become part of our everyday economic world. Imagine boarding a spacecraft in the morning, travelling to a lunar facility and returning home to Earth later, or perhaps spending several days there before making the journey back. It sounds like a scene from a futuristic movie, but the Moon is only about 384,000 kilometres away and, unlike Mars, is close enough to make regular transportation conceivable once the necessary infrastructure exists.

The development of lunar bases, commercial landers and new generations of powerful rockets could create the foundations for that future, although enormous obstacles remain. Radiation, extreme temperatures, lunar dust, limited resources and the sheer cost of transporting people and equipment into space are formidable challenges, while establishing a reliable lunar economy would require infrastructure on a scale never before attempted.

Yet history suggests that technological revolutions can arrive faster than expected. Only a little over a century ago, powered flight was in its infancy; today, millions of people routinely cross oceans in aircraft. Spaceflight could eventually undergo a similar transformation.

The real significance of Taylor's prediction may therefore be less about whether people will literally commute to the Moon in 2030 and more about how rapidly humanity is moving towards making space an extension of civilisation. The Moon may not become Earth's suburb within the next few years, but for the first time, the possibility of living and working beyond our planet is being discussed not as science fiction, but as a serious long-term business and technological goal.

And if Musk, Bezos, Altman and Taylor are right, the next great frontier may not simply be somewhere we visit. It could become somewhere we live, work and, perhaps one day, commute to.

For most of human history, the Moon was simply there. We watched it rise above the horizon, marked calendars by its phases and told stories about it. Then, in 1969, human beings walked upon it. After Apollo 17 left in 1972, the Moon became strangely quiet. Now that silence is ending. The lunar landscape is about to become one of the busiest destinations in the Solar System.

NASA's Artemis program has moved into a new era following the successful Artemis II mission in April 2026. Four astronauts travelled around the Moon aboard Orion, marking the first crewed journey to the lunar neighbourhood since the Apollo era. But the human mission was only part of the story. More than 20 lunar landings are planned through 2029 as different spacecraft test landing systems, communications, rovers, power technology and other equipment needed for a sustained lunar presence.

The Moon is becoming a laboratory. One of the biggest prizes is water. At the lunar south pole are deep craters where sunlight has barely reached the bottom for billions of years. These permanently shadowed regions are among the coldest places in the Solar System and may contain deposits of water ice.

Water on the Moon would be enormously valuable. It could provide drinking water for astronauts and could potentially be separated into hydrogen and oxygen for rocket fuel. In other words, future explorers might not need to carry everything they require from Earth. China is also heading towards the lunar south pole with its Chang'e-7 mission, designed to search for ice and investigate these mysterious permanently shadowed regions.

The Moon is therefore becoming something much more than a destination. It could become a stepping stone. Astronauts may eventually live there for weeks or months. Scientific stations could operate near the south pole. Telescopes could be placed on the lunar surface. Resources could be extracted. New technologies could be tested before humans venture farther into space.

And there is another fascinating aspect. The next generation of lunar explorers will grow up seeing the Moon not as a distant world visited briefly by astronauts, but as a place where human beings actually work. That changes our relationship with it. The Apollo astronauts proved that humans could reach another world. Artemis and the missions following it may determine whether we can learn to stay.

Somewhere about 500 million light-years away, a star much larger than our Sun reached the end. It did not fade quietly. It exploded. In March 2026 astronomers detected an unusually well-observed supernova involving a star estimated to have been about 20 times the mass of the Sun. The event was detected in X-rays by China's Einstein Probe, triggering rapid observations by telescopes around the world.

For astronomers, this was a gift. Usually, when we see a supernova, we are seeing the aftermath. The star has already exploded. This time, instruments caught the event extraordinarily early. That meant astronomers could study the first moments of the stellar catastrophe.

The star appears to have been a Wolf-Rayet star, an enormous and highly evolved object that had already lost much of its outer hydrogen and helium layers. What remained was rich in heavier elements. Eventually, the star could no longer support itself against gravity. Its core collapsed. The explosion that followed was visible across the universe.

Supernovae are more than spectacular explosions. They are cosmic factories. Many of the elements making up the world around us were forged inside stars. When massive stars die, they scatter those elements into space. The oxygen we breathe, the calcium in our bones and many of the elements that make planets, rocks and living things possible have their origins in stellar furnaces. In that sense, every human being carries a little bit of star history.

The 2026 event was particularly interesting because scientists found evidence that the dying star had experienced unstable episodes of mass loss before it exploded. The surrounding material provided clues about the star's final years. It is almost like finding a diary beside a crime scene. The explosion itself was dramatic, but the material surrounding the star told astronomers what had been happening beforehand.

There is also an extraordinary human element to the observation. The star actually died 500 million years ago. The light only reached Earth in 2026. When astronomers watched the explosion, they were not watching something happening "now". They were watching ancient history finally arriving. The photons had crossed half a billion light-years of space to reach our telescopes.

And for a few precious moments, a dead star spoke.

We tend to think of our Milky Way as something permanent. It isn't. Our galaxy is a giant construction project that has been changing for billions of years. Astronomers have now found evidence of a previously unknown ancient merger that dramatically changed the young Milky Way.

The event occurred about 11.8 billion years ago, when our galaxy collided and merged with a smaller galaxy. Researchers identified a population of globular star clusters associated with a long-vanished dwarf galaxy known as LKH. Think about what that means. The Milky Way itself was still young when this happened. Our Sun didn't exist. Earth didn't exist. The Solar System wouldn't appear for another seven billion years or so. Yet the consequences of that ancient collision are still visible today.

Galaxies grow partly by consuming smaller galaxies. Gravity brings them together, their stars become mixed, and over immense periods the smaller galaxy loses its identity. It sounds violent, but galactic collisions are not quite like two cars crashing. There is enormous space between stars. Individual stars can pass each other without ever colliding. Instead, gravity slowly rearranges everything.

The discovery challenges the idea that the early Milky Way developed mainly through stars forming internally. It suggests that outside material — stars, gas and dark matter — played an important role in building our galaxy.

Astronomers are effectively becoming cosmic archaeologists. They look at the ages, chemical compositions and motions of stars and attempt to reconstruct events that happened billions of years ago. It is rather like walking through an old Australian country town and finding a few pieces of an ancient railway line. You may not see the railway itself, but the remaining evidence tells you where it once ran.

The Milky Way contains similar clues. Some stars move differently from their neighbours. Some have unusual chemical compositions. Globular clusters preserve ancient populations of stars. Together, these clues reveal the galaxy's history.

And there is something wonderfully humbling about discovering that our home galaxy has an autobiography. It has experienced collisions. It has swallowed smaller galaxies. It has grown. It continues to evolve.

The next time you look up at the familiar band of the Milky Way, remember that what you are seeing isn't simply a collection of stars. It is the surviving evidence of billions of years of cosmic history. And much of that history is still being uncovered.

Neptune's moons have just become considerably more mysterious. Using the James Webb Space Telescope, astronomers have found unusual clay-like minerals on several of Neptune's inner moons and in its ring system. The discovery may point towards a dramatic event in the distant past — the destruction of an ancient generation of moons.

The suspected culprit is Triton. Triton is Neptune's largest moon and is unusual because it travels around Neptune in a retrograde orbit — the opposite direction to Neptune's rotation. Astronomers believe Triton was probably captured by Neptune rather than forming there.

If that happened, its arrival could have profoundly disrupted Neptune's original satellite system. The new observations suggest that some of Neptune's present moons may contain material originating from much larger icy worlds that were shattered during that ancient upheaval.

It is a remarkable idea. Imagine a planetary system being rearranged by the arrival of one enormous object. Moons collide. Others are thrown away. Fragments remain behind. Over billions of years, those fragments become the moons and rings we see today.

The James Webb Space Telescope is particularly useful for this sort of investigation because it can detect infrared signatures associated with different minerals. Scientists found evidence of materials that form in association with liquid water, despite the moons themselves showing no obvious surface water ice. That is one of the clues pointing towards material having come from deeper inside larger icy bodies.

It is another example of why astronomy is not simply about looking at pretty pictures. A photograph may show a tiny moon as an insignificant dot. Infrared spectroscopy can tell you what that dot is made of. And sometimes what it is made of reveals an entire lost history.

Neptune lies more than four billion kilometres from the Sun. It receives less sunlight than Earth and exists in a realm of darkness and extreme cold. Yet even there, the past is written into rocks and ice.

The Solar System is not a neat collection of planets moving obediently around the Sun. It is a place of collisions, captures, break-ups and rearrangements. We are simply arriving billions of years late to investigate the evidence.

For decades, the question has haunted space exploration: Was Mars ever home to life? NASA's Perseverance rover may have found one of the most intriguing clues yet.

The rover collected a sample from a Martian rock called Cheyava Falls in Jezero Crater. Scientists later identified minerals and chemical features that could potentially be biosignatures — evidence that might have a biological origin.

That last word is important: might. Nobody has discovered a fossil Martian microbe. Nobody has proved that life existed on Mars. Science is much more cautious than the headlines.

The interesting thing is that the rock contains a combination of minerals that, on Earth, can be associated with chemical reactions involving microorganisms. But there are also non-biological explanations. So the mystery remains.

Perseverance is exploring Jezero Crater because scientists believe it once contained a lake and river system. In 2026, radar observations also revealed evidence of an ancient buried river delta dating from roughly 3.7 to 4.2 billion years ago. That is enormously significant.

Water is one of the ingredients we consider important for life. Mars today is cold, dry and hostile. But ancient Mars appears to have been very different. There were rivers. There were lakes. There was flowing water.

The planet may once have had a thicker atmosphere and a climate capable of supporting liquid water for long periods. And that raises a fascinating possibility. Perhaps Mars was not always the dead world we see today. Perhaps, billions of years ago, it was a place where simple microbial life had an opportunity to emerge.

If so, traces of that life might still be locked inside rocks.

The difficulty is that Perseverance cannot perform every laboratory experiment scientists would like to conduct. That is why Mars sample return has been so important to planetary science. A carefully selected Martian rock brought back to Earth could be examined with instruments far more powerful than anything we can fit inside a rover.

Scientists could cut it open, analyse its chemistry and search for microscopic structures. The stakes are enormous. Finding convincing evidence of ancient Martian life would change science forever.

It would mean life arose independently on another world. And if life appeared twice in the same Solar System, perhaps life isn't the extraordinary accident we sometimes imagine. Perhaps the universe is full of it.

For now, however, the answer remains inside a rock on Mars. And Perseverance is still looking.

Disc-shaped UFOs have been reported for decades, but science has not yet confirmed how such a craft could actually operate. NASA says current UAP data is too limited to determine their true nature, while many sightings can be explained by ordinary objects, sensor effects, or misidentification.

If a disc-shaped craft really existed, its unusual shape could theoretically allow propulsion and control systems to be distributed around the entire craft rather than using conventional wings and engines. Some UAP reports also describe objects appearing to hover or move without an obvious propulsion system, but there is currently no verified technology demonstrating how this could be achieved.

Most importantly, the U.S. government's AARO investigation has found no verified evidence that any UAP represents extraterrestrial technology. So, for now, the technology behind a truly advanced "flying saucer" remains an unanswered scientific question not proven alien technology.

Imagine looking up at the night sky and seeing not stars, but thousands of moving lights crossing overhead. Now imagine that number growing into the millions. It sounds like science fiction, yet that's the scale of a proposal now being fiercely debated by scientists around the world.

SpaceX has filed plans that could eventually see up to one million orbiting satellites supporting space-based artificial intelligence data centres. The idea is bold: move the enormous power demands of AI computing into space, where the Sun shines continuously and solar energy is abundant. Supporters argue it could reduce pressure on Earth's electrical grids and create an entirely new era of computing.

But critics warn the environmental cost could be staggering. Every satellite has a limited lifespan. When it reaches the end of its mission, it burns up during re-entry, releasing aluminium oxides and other metallic particles high in the atmosphere. Scientists fear that if hundreds of thousands, or even a million satellites are continually replaced, the cumulative effect could transform the upper atmosphere into what one researcher described as a "fire pit." The concern isn't simply the fiery spectacle of re-entry; it's the long-term build-up of pollutants that may damage the ozone layer and alter Earth's climate in ways we barely understand.

Astronomers have another reason to be worried. Today's Starlink network already numbers more than 10,000 operational satellites, and bright satellite trails routinely interfere with astronomical observations. A constellation hundreds of times larger could permanently change the appearance of the night sky, making it increasingly difficult for professional observatories to study distant galaxies, detect hazardous asteroids, or discover new worlds. Some researchers believe the impact on astronomy would be devastating.

The proposal has also reignited criticism of how commercial space projects are regulated. Environmental organisations argue that licensing for enormous satellite constellations is moving ahead without the kind of comprehensive environmental assessments expected for major developments on Earth. They say humanity is turning near-Earth space into an industrial zone before fully understanding the consequences.

That criticism deserves serious consideration. Space exploration has always inspired wonder. Satellites connect remote communities, assist emergency services and expand scientific knowledge. SpaceX, in particular, has revolutionised launch technology and dramatically lowered the cost of reaching orbit. Yet progress without adequate oversight carries risks. The night sky is one of humanity's oldest shared treasures. Once altered on a global scale, it cannot easily be restored.

Whether a million orbiting AI satellites are technically or economically achievable remains uncertain. Many engineers question the enormous challenges of cooling data centres in space, maintaining them, and launching them in such vast numbers. Even so, scientists argue that the debate must happen before the launches, not after.

The race to dominate artificial intelligence could become the next great space race. The question is whether humanity can embrace that future without sacrificing the pristine skies and fragile atmosphere—that have protected and inspired us for millennia.

Why not join me for an unforgettable Norfolk Island 'STARGAZING' adventure in April next year. Enjoy exceptionally dark skies, spectacular stars, planets and deep-sky wonders, with expert guidance, fascinating stories and relaxed evenings under the stars. Discover the universe from one of Australia's most beautiful and naturally dark-sky destinations and have a holiday that's 'Outa This World.' Go to my website for details www.davidreneke.com or phone fore a brochure 0400 636 363.

There are spacecraft that complete their missions and disappear into history. Then there is Voyager 2 — a 48-year-old machine that simply refuses to give up. NASA engineers have pulled off another remarkable rescue operation, known as the "Big Bang", to squeeze more life out of the spacecraft as its power supply slowly fades.

Launched in 1977, Voyager 2 is powered by nuclear generators that convert heat from decaying plutonium into electricity. But that power is gradually declining. Each year, the spacecraft loses roughly four watts of electrical power. For a spacecraft billions of kilometres from Earth, every watt matters.

Voyager needs electricity not only for its scientific instruments, but also to keep vital components warm. Space is incredibly cold, and some systems could eventually stop working without heat. NASA engineers have therefore been playing an extraordinary game of electrical survival, switching off equipment that is no longer essential and finding clever ways to reduce the spacecraft's energy demands.

The latest solution is particularly ingenious. Engineers have replaced three power-hungry heating devices with alternatives that use less electricity. The saved power can then be redirected to scientific instruments that are still working. NASA calls the operation "Big Bang" because several changes are being made together — essentially an energy makeover for a spacecraft designed almost half a century ago.

Imagine trying to keep an old house running when its power supply is shrinking. You switch off unnecessary appliances and replace inefficient ones with energy-saving alternatives. That is basically what NASA is doing with Voyager 2, except the house is billions of kilometres away and there is no electrician who can simply drive over and fix it.

And the rewards are enormous. Voyager 2 is still studying the mysterious environment beyond the Sun's protective bubble — the heliosphere — where the solar wind gives way to interstellar space. The spacecraft has already made history, flying past Jupiter and Saturn before continuing to Uranus and Neptune, becoming the only spacecraft ever to visit all four giant planets.

In 2018, Voyager 2 crossed the heliopause and entered interstellar space. Its twin, Voyager 1, entered interstellar space in 2012. Both spacecraft are now scientific time capsules, travelling farther from the Sun than anything humans have previously sent into the great cosmic unknown.

Even communicating with Voyager 2 is an extraordinary achievement. It is now more than 12 billion miles from Earth, and a command sent from NASA takes many hours to reach it. Engineers then have to wait for the spacecraft to respond, meaning there is no quick fix if something goes wrong.

Every command must be carefully tested before it is sent because engineers are operating a spacecraft almost 50 years old from billions of kilometres away. The computers, electronics and communications systems were designed in another technological age. And somehow, Voyager 2 still works.

NASA is also considering similar power-saving measures for Voyager 1. In April 2026, NASA switched off one of Voyager 1's scientific instruments to conserve precious electricity. As the spacecraft's power continues to decline, engineers will have to make increasingly difficult decisions about which instruments can be sacrificed and which are important enough to keep operating.

Eventually, the Voyagers will fall silent. Their nuclear power sources cannot last forever, and more systems will gradually have to be switched off. But NASA is determined to keep them working for as long as possible, squeezing every last drop of science from these extraordinary machines.

The Voyagers were launched when disco was booming, mobile phones did not exist and personal computers were still a novelty. Yet nearly half a century later, they are still sending whispers back across the darkness.

Voyager 2 is more than an ageing spacecraft. It is a survivor, a scientific pioneer and a remarkable reminder of how far human curiosity can travel. For a machine launched in 1977, its greatest adventure may still be its final one.

The universe has just become a little stranger. Astronomers using NASA's James Webb Space Telescope have found compelling evidence for an extraordinary object they call a "black hole star" — something that sounds like science fiction but could help solve one of astronomy's biggest puzzles.

The story begins with the James Webb Space Telescope, which has been peering deep into space and, because light takes time to travel, looking back billions of years into the young universe. Since Webb began its observations, astronomers have noticed something unexpected: tiny, mysterious red objects scattered across the early cosmos. They became known simply as "little red dots." They were small, extremely bright and surprisingly common. But nobody could quite agree on what they were.

Now, astronomers think they may have a very dramatic explanation.

A black hole star isn't really a normal star at all. The idea is that a rapidly growing supermassive black hole is buried inside a huge, dense cloud of extremely hot gas. Material is being pulled into the black hole, releasing enormous amounts of energy. The surrounding gas absorbs and re-emits some of that energy, making the whole object glow in a way that can look remarkably star-like.

One particular object, called GLIMPSE-17775, has given astronomers some of their strongest evidence yet. Webb was able to break its light into a detailed spectrum — rather like taking a cosmic fingerprint. More than 40 distinct spectral features were detected, giving researchers several clues that a black hole wrapped in dense gas could be powering the object.

And this matters because of another cosmic mystery. Astronomers have long wondered how some supermassive black holes became so enormous so quickly after the Big Bang. The universe was still remarkably young, yet somehow these monsters had already grown to extraordinary sizes.

Black hole stars could provide a missing link. Imagine the early universe as a vast construction site. Huge clouds of gas are collapsing, stars and galaxies are forming, and somewhere inside all that chaos, a black hole begins feeding furiously. Surround it with enough gas and it could grow extremely rapidly. Eventually, the cocoon could change or disappear, leaving behind the kind of giant black hole we see at the heart of galaxies today.

That could mean the mysterious little red dots aren't something completely exotic after all. They may be young black holes caught in the middle of their growth spurt. There is still plenty to learn. Astronomers are continuing to investigate whether all of the little red dots have the same explanation, or whether several different types of objects are hiding among them.

But that is exactly what makes the discovery so exciting. The James Webb Space Telescope was built to look at the earliest chapters of cosmic history. And once again, it has found something nobody expected — tiny red specks that may actually be enormous black holes wearing a cloak of glowing gas. In the universe, things are rarely what they first appear to be.

NASA engineers have pulled off a remarkable rescue operation on Voyager 2, the spacecraft that has been travelling through space since 1977. The probe is now more than 20 billion kilometres from Earth, yet it is still sending valuable scientific information back home.

The problem is simple but serious: Voyager 2 is running out of electrical power. Its electricity comes from plutonium-powered generators, and those generators naturally produce less power as the years pass. The spacecraft loses roughly four watts of electrical output every year.

NASA engineers have therefore had to become extremely careful about how every watt is used. Over the years, instruments that are no longer essential have been switched off, while power has been redirected to the systems most important for studying deep space.

The latest solution has been nicknamed the "Big Bang." Rather than simply switching another important system off, engineers changed the way several parts of the spacecraft use power. The aim is to keep Voyager 2 warm enough to function while freeing precious electricity for its remaining scientific instruments.

That is particularly important because Voyager 2 is doing something no other spacecraft has ever done. It crossed the boundary of the Sun's protective bubble, called the heliosphere, in 2018 and is now exploring the space between the stars. Its measurements are giving scientists a rare opportunity to study this distant environment directly.

Voyager 2 has already survived almost half a century in the harshness of space. It flew past Jupiter and Saturn before continuing on to Uranus and Neptune, becoming the only spacecraft ever to visit all four giant planets up close.

Today, it is a very different mission. There are no planets nearby to photograph. Instead, Voyager 2 is quietly measuring magnetic fields, particles and plasma waves in interstellar space — information that cannot be collected from Earth in quite the same way.

The extraordinary part is that the spacecraft was designed in an era when computers were primitive by today's standards. Its computers operate at only a tiny fraction of the processing power found in a modern smartphone. Yet after decades of operation, engineers on Earth are still finding ingenious ways to keep this ancient machine alive.

The rescue does not mean Voyager 2 can continue forever. Its power supply will keep declining, and more instruments will eventually have to be switched off. But every extra year gives scientists another chance to collect measurements from a region of space that no other spacecraft has reached.

For a machine launched nearly 50 years ago, Voyager 2 is proving that some of humanity's greatest space missions can have extraordinarily long afterlives. It is still travelling into the darkness — and, for now, it is still talking to Earth.

Mars may one day have something it does not have today — a spectacular ring system. The culprit is Phobos, the larger and closer of Mars' two small moons. But this is not a story about a moon arriving peacefully. Phobos is slowly spiralling towards Mars, and its ultimate fate is destruction.

Phobos is already incredibly close to Mars, orbiting only about 6,000 kilometres above the planet's surface. Mars' gravity is gradually dragging it inward at about 1.8 centimetres a year. That may sound insignificant, but over millions of years the effect becomes enormous.

As Phobos gets closer, the gravitational forces acting on it become stronger. Scientists believe the moon is probably a loosely held-together body, and its battered surface is already marked by long grooves and scars. Eventually, Mars' tidal forces will become strong enough to pull the moon apart.

Exactly when this happens depends on the strength and internal structure of Phobos. One influential model suggests that its weakest material could begin breaking away in roughly 20 to 40 million years. Other NASA estimates put the eventual destruction somewhat later, around 30 to 50 million years. So the exact date remains uncertain.

If Phobos is torn apart before it crashes into Mars, its pieces will spread around the planet. Instead of one small, irregular moon, Mars could temporarily be surrounded by a broad ring of dust, rocks and fragments — rather like a much smaller version of Saturn's magnificent rings.

The ring would not last forever. Over time, some of the debris would fall towards Mars while other material would spread out or disappear. Eventually, the spectacular ring would fade away, leaving Mars once again with its two small moons — or perhaps only Deimos, depending on what happens to the remaining material.

So Phobos has a strange destiny. It is not simply orbiting Mars; it is slowly falling towards it. Millions of years from now, that journey could end with one of the most dramatic transformations in the Solar System — a doomed moon shattered by gravity and turned into a temporary ring around the Red Planet.

For now, however, Phobos continues its rapid orbit. It circles Mars in just 7 hours and 39 minutes, completing several orbits during a single Martian day. The tiny moon is a reminder that even apparently permanent worlds are constantly changing — sometimes on timescales far longer than a human lifetime.

Imagine looking into the night sky and knowing that the nearest star system beyond our own is only 4.24 light-years away. On a cosmic map, that sounds like next door. In reality, it is an almost unimaginable distance. That nearby system is Alpha Centauri, our closest stellar neighbour. It contains three stars: Alpha Centauri A and B, a pair of stars broadly similar to our Sun, and the much smaller red dwarf Proxima Centauri. Proxima is actually the closest individual star to the Sun. And around Proxima is a fascinating world called Proxima Centauri b.

The planet is at least about 1.07 times the mass of Earth and completes an orbit around its star in just 11.2 days. It also sits within the star's so-called habitable zone — the region where temperatures could, under the right conditions, allow liquid water to exist.That sounds promising. But there is a very big catch: we have absolutely no evidence that Proxima b has life.

The phrase "habitable zone" can be misleading. It does not mean a planet is habitable, let alone inhabited. Proxima b circles its star extremely closely, and Proxima Centauri is a red dwarf known for powerful stellar activity. Radiation and stellar eruptions could make life much more difficult.

Scientists are still trying to work out whether the planet even has a substantial atmosphere. Without one, the surface could be a very hostile place. On the other hand, computer models suggest that under some conditions, an atmosphere and ocean could survive. For now, Proxima b remains a tantalising mystery.

Getting there is an even bigger problem. Our fastest spacecraft are incredibly quick by human standards, but painfully slow compared with the distances between stars. Voyager 1 is travelling at roughly 17 kilometres per second relative to the Sun. If a spacecraft could maintain that speed directly towards Proxima Centauri, the journey would take around 75,000 years.Think about that. A spacecraft launched today would still be travelling when thousands of generations of humans had come and gone.

But there is another possibility — one that sounds almost like science fiction. A project called Breakthrough Starshot has proposed using enormous lasers on Earth to push tiny spacecraft equipped with ultra-thin sails to perhaps 20 per cent of the speed of light. At that speed, a probe could potentially reach Alpha Centauri in just over 20 years.

That would be revolutionary. But there is a huge difference between an exciting idea and a working spacecraft. Engineers would have to develop powerful laser systems, incredibly light but durable sails, tiny electronics capable of surviving decades in space, protection against interstellar dust and a way for the miniature probe to send its discoveries back across more than four light-years.And there is another challenge: the probe would probably race past its target rather than slow down and go into orbit.

Sending humans would be vastly harder. A crewed spacecraft would need life support, shielding, power, food and a way to slow down at the other end. Nothing remotely capable of doing that exists today. 

So Alpha Centauri remains tantalisingly close — and impossibly far away. It is close enough for us to study, close enough to dream about visiting and perhaps, one day, close enough to send a tiny robotic explorer. For now, though, Proxima b is not another Earth waiting to be discovered. It is something more intriguing: a nearby world whose greatest secrets are still waiting to be revealed.

When we imagine the hazards of space travel, our minds usually drift to catastrophic rocket failures, deadly cosmic radiation, or the freezing vacuum of space. Yet, one of the most pressing threats facing modern spacefarers is far more subtle and quietly insidious: astronaut vision loss. As space agencies prepare for long-duration missions back to the Moon and onward to Mars, scientists are racing to solve a medical condition that threatens to leave space explorers functionally blind.

On Earth, gravity constantly pulls our bodily fluids downward toward our feet. In the weightlessness of microgravity, however, those fluids redistribute evenly throughout the body, shifting about two liters of fluid upward toward the head. This shift creates sustained pressure inside the skull, pressing directly against the back of the eyeball, flattening the globe, swelling the optic nerve, and distorting the retina. Known medically as Spaceflight-Associated Neuro-ocular Syndrome, or SANS, this condition leads to progressive farsightedness and blurry vision. While some astronauts recover after returning home, others suffer permanent visual damage.

To combat SANS, organizations like the European Space Agency are adapting innovative technologies originally designed for elderly patients on Earth. One promising tool is a portable eye-examination device built for octogenarians to perform self-administered eye checks at home for age-related conditions. In orbit, the same simple, handheld design allows astronauts to conduct rapid eye exams on themselves without requiring heavy equipment or specialized medical training, giving researchers real-time insight into how space affects the eye.

Finding a solution is critical for the future of deep-space exploration. While blurry vision on the International Space Station can be managed with adjustable eyeglasses, a multi-year journey to Mars poses a serious danger if chronic pressure damages an astronaut's eyesight permanently. By repurposing simple medical tools alongside new interventions, like specialized sleeping chambers that draw fluids back down toward the feet, space agencies hope to protect human sight. In a fascinating twist, the same user-friendly tools keeping senior citizens healthy in their living rooms may soon preserve the vision of the pioneers traveling to distant worlds.

NASA is preparing to launch what could become one of the most exciting space telescopes ever built. If everything goes to plan, the Nancy Grace Roman Space Telescope will blast into space on August 30 aboard a powerful Falcon Heavy rocket. Scientists believe it could completely change the way we see the Universe and reveal secrets that have remained hidden since the beginning of time.

Every great space telescope has transformed our understanding of the cosmos. The Hubble Space Telescope amazed us with spectacular pictures of glowing nebulae, distant galaxies and dying stars. More recently, the James Webb Space Telescope stunned the world by peering farther back in time than ever before, showing galaxies that existed not long after the Big Bang.

Now it's Roman's turn. But Roman has a very different mission. Instead of looking closely at tiny patches of sky like Hubble or Webb, Roman will photograph enormous areas of space all at once. Imagine standing at a door. Hubble is like peeking through the keyhole. Roman throws the whole door wide open. Suddenly you can see everything in front of you instead of just one small detail.

That incredible wide view will allow astronomers to study the Universe on a scale never before possible.

During its mission, Roman is expected to map around two billion galaxies. That's such a huge number it's almost impossible to imagine. Each galaxy contains millions, or even billions, of stars. Somewhere among them may be countless planets, some perhaps not so different from Earth.

Roman will also search for thousands of new planets beyond our Solar System. Some may be giant worlds larger than Jupiter, while others could be rocky planets more like our own. Every new discovery helps scientists understand how planets form and whether life might exist elsewhere in the cosmos. Yet perhaps Roman's greatest challenge is solving two of astronomy's biggest mysteries.

Scientists know that everything we can see—stars, planets, gas clouds and galaxies—makes up only about five percent of the Universe. The remaining 95 percent is invisible. It is made of mysterious substances known as dark matter and dark energy.

Dark matter acts like invisible glue, helping hold galaxies together. Dark energy appears to be pushing the Universe apart faster and faster as it expands. Although these mysterious forces shape the entire cosmos, nobody knows exactly what they are. Roman has been specially designed to gather clues that could finally help unlock these cosmic mysteries. The answers may completely rewrite our understanding of how the Universe works.

The telescope's powerful instruments will also create an astonishing flood of information. Every year it is expected to send more than 500 terabytes of data back to Earth. That's more information than the Hubble Space Telescope collected during its entire 35-year mission. Hidden inside that mountain of data could be discoveries nobody has even imagined.

History shows that every time we build a more capable telescope, the Universe surprises us. Hubble revealed breathtaking beauty. James Webb uncovered ancient galaxies and challenged long-held ideas about the early cosmos.

Roman may go even further. It could discover strange new types of galaxies, reveal planets unlike anything we've ever seen, or uncover clues about the invisible forces controlling the Universe. It may even answer questions scientists haven't yet thought to ask. That's what makes this mission so thrilling. The greatest discoveries are often the ones nobody expects.

As the countdown to launch begins, astronomers around the world are waiting with enormous excitement. Within weeks, humanity could be opening another remarkable chapter in space exploration. Once again, we'll be reminded that the more we learn about the Universe, the more astonishing it becomes—and the greatest adventures are still waiting among the stars.

When astronauts eventually set foot on the Moon for months at a time—or establish the first human settlement on Mars—they'll face a challenge that's just as important as rockets and spacesuits: growing fresh food. Taking enough supplies from Earth simply isn't practical for long missions, so future explorers will need thriving gardens millions of kilometres from home.

That raises an intriguing question. What happens to seeds and plants after spending long periods in space?

Scientists have been searching for the answer for decades. Experiments aboard the International Space Station (ISS) have shown that many seeds survive spaceflight remarkably well. Once returned to Earth, most germinate normally. Yet living in orbit is far from ideal for plants. Microgravity, increased radiation and an unusual environment all influence the way they grow.

On Earth, gravity tells roots to grow down and stems to grow up. In space that natural guide disappears. Roots can grow in unexpected directions, while water no longer drains through soil as it does at home. Instead, it clings to roots in tiny floating droplets, making it harder for plants to absorb oxygen. Researchers have had to invent clever watering systems that deliver just the right amount of moisture without drowning the roots.

Radiation presents another challenge. Outside Earth's protective atmosphere, energetic particles constantly bombard spacecraft. Over long periods they can damage plant cells and even alter DNA. Most changes are harmless, but scientists carefully monitor seeds for mutations that could affect future harvests. Surprisingly, some plants become more resilient after exposure to stressful conditions, opening the door to developing tougher crop varieties.

Scientists have also discovered that a plant's nutritional value can change in space. Studies of lettuce, radishes, dwarf wheat and leafy greens have shown small variations in vitamin C, antioxidants and other beneficial compounds. Sometimes the levels decrease slightly, while in other cases they actually increase as plants respond to environmental stress. Flavour and texture can also differ from Earth-grown produce. The good news is that carefully controlled lighting, nutrients and temperature can produce crops that are healthy, safe and enjoyable to eat.

Growing food in space isn't only about nutrition. Fresh vegetables also provide psychological benefits. Caring for living plants gives astronauts a welcome connection to Earth, while the colour, smell and taste of fresh produce can lift morale during long missions in the isolation of space.

The technology being developed is impressive. Instead of traditional soil, many experiments use hydroponics, where roots grow in nutrient-rich water, or aeroponics, where they are misted with nutrient solutions. LED lights provide the perfect mix of colours for photosynthesis while using very little electricity. Computers constantly monitor moisture, temperature, nutrients and carbon dioxide to create the ideal growing conditions.

These techniques will eventually be adapted for the Moon. Lunar greenhouses will probably sit inside pressurised habitats or beneath protective domes shielded from radiation and extreme temperatures. Processed lunar soil, known as regolith, may one day help anchor roots, while recycled water and astronaut waste will become valuable resources in a nearly closed farming system.

Mars presents even greater challenges, but also exciting possibilities. Its day is only about 40 minutes longer than Earth's, making lighting schedules easier for crops. Scientists hope to use water ice buried beneath the Martian surface and carbon dioxide from the thin atmosphere to help sustain future greenhouses.

Every successful experiment brings humanity one step closer to becoming an interplanetary species. Tiny seeds that begin their journey inside a spacecraft today could someday feed entire communities on distant worlds. Learning how plants adapt to space isn't just advancing science—it may ultimately determine whether humans can truly call the Moon or Mars a second home.

Apollo11 – In Retrospect. A Personal Journey

In 2008 I was News editor for Australia's Sky & Space Magazine visiting all the historic people and places in Space history in the USA. I had a personal invitation for this visit to meet up with history - and it still gives me a 'buzz'...pardon the pun. THIS is a revision of that day and a retrospective version of how things were, and could have been.

The door opened without ceremony. No spotlight. No drumroll. Just a firm handshake from a man who had walked on the Moon — and inside, a living room that quietly held the weight of history.

Visiting Buzz Aldrin at his home was not what you'd expect from someone who helped change the course of the 20th century. There were no grand trophies dominating the space. Instead, framed mission patches, a carefully displayed model of the Lunar Module Eagle, and photographs that have since become icons of human achievement. The setting was modest. The story was not.

Buzz, Lunar Module Pilot of Apollo 11, was the second human being to set foot on the Moon on July 20, 1969 after the reclusive neil Armstrong. But what fascinated me most weren't the famous headlines. It was the fine detail — the seconds, decisions and sensations that rarely make it into documentaries.

He described those final moments of descent. The Lunar Module was low on fuel — roughly 30 seconds remaining — when Neil Armstrong took manual control to avoid a boulder-strewn crater. The onboard computer flashed 1201 and 1202 alarms, signalling executive overload. In Houston, guidance officer Steve Bales made the split-second decision to continue. Abort would have meant a very different chapter in history.

Then came the dust. As Eagle descended, the engine plume kicked up lunar regolith, creating a blinding haze. There were no trees, no buildings, no atmosphere to soften perspective. Just harsh light and shadow. Armstrong relied on instinct honed from years as a test pilot. When the contact light illuminated and the engine shut down, Aldrin calmly confirmed, "Okay. Engine stop." That composure under pressure defined the mission.

But there's another presence in this story — quieter, reflective, almost reluctant to be mythologised. Neil Armstrong, by nature reserved and semi-reclusive in later life, reinforces something that rarely makes it into public speeches: sheer amazement. He speaks softly about the lunar surface. Not theatrically. Not dramatically. Simply, honestly.

The horizon felt closer than expected, he said, because the Moon is smaller. The sky was completely black — even with the Sun glaring down. The surface wasn't smooth and poetic as imagined in paintings; it was textured, sharp, ancient. The regolith behaved almost like powdery snow mixed with ash. And yet, despite the training, the simulations, the rehearsals — nothing quite prepared him for the reality of stepping onto another world.

When pressed He admits something profound: being chosen as the first was an honour that weighed heavily. The decision had been NASA's, based on crew roles and procedures, but the historical symbolism was undeniable. Armstrong understood that the first step would echo beyond engineering or politics. It would belong to humanity. There's no bravado in his recollection. Only a kind of quiet wonder.

Buzz detailed the physical strain. The suits were pressurised to about 3.7 psi, making every movement deliberate. Heart rates exceeded 150 beats per minute during the moonwalk. This was not a stroll in low gravity; it was demanding work. Before exploration began, Armstrong collected the contingency sample — a small bag of lunar soil gathered immediately in case they had to abort. Insurance for history.

They deployed experiments that still function today. The Laser Ranging Retroreflector remains in place, allowing scientists to measure the Moon's recession from Earth — about 3.8 centimetres per year. The Passive Seismic Experiment detected moonquakes, proving the Moon was not entirely geologically dead.

Inside the cabin, once helmets were removed, the dust carried a faint smell — like spent gunpowder. It clung stubbornly to suits and equipment. We spoke of Michael Collins, orbiting alone in Columbia. As I sat there Buzz took a quick call from him. Without his flawless command module operations, there was no return. Collins described himself as "not lonely," but responsible. It was a trio, not a duo, that completed the mission.

After splashdown on July 24, 1969, the crew entered 21 days of quarantine in a Mobile Quarantine Facility — a converted Airstream trailer. NASA could not rule out lunar microbes. Caution ruled over celebration.

The Saturn V that launched them stood 110 metres tall and generated 7.5 million pounds of thrust at liftoff. Controlled violence. Precision engineering. More than 400,000 people worked across the United States to make it happen. President Kennedy's 1961 challenge — to land a man on the Moon and return him safely to Earth before the decade was out — had been met.

But sitting there listening, what stayed with me most was not rivalry, nor Cold War urgency, nor even technological triumph. It was awe! Buzz's measured confidence shows, Neil's quiet astonishment is legendary. Two different temperaments united by a moment when human beings crossed a threshold no species had crossed before. The footprints remain there still, undisturbed in silent dust. And in that quiet living room, the Moon did not feel distant at all.

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'ASTRO DAVE' RENEKE - A Personal Perspective

His extensive background includes teaching astronomy at the college level, being a featured speaker at astronomy conventions across Australia, and contributing as a science correspondent for both ABC and commercial radio stations. David's weekly radio interviews, reaching around 3 million listeners, cover the latest developments in astronomy and space exploration.

As a media personality, David's presence extends to regional, national, and international TV, with appearances on prominent platforms such as Good Morning America, American MSNBC news, the BBC, and Sky News in Australia. His own radio program has earned him major Australasian awards for outstanding service.

David is recognized for his engaging and unique style of presenting astronomy and space discovery, having entertained and educated large audiences throughout Australia. In addition to his presentations, he produces educational materials for beginners and runs a popular radio program in Hastings, NSW, with a substantial following and multiple awards for his radio presentations.

In 2004, David initiated the 'Astronomy Outreach' program, touring primary and secondary schools in NSW to provide an interactive astronomy and space education experience. Sponsored by Tasco Australia, Austar, and Discovery Science channel, the program donated telescopes and grants to schools during a special tour in 2009, contributing to the promotion of astronomy education in Australia. David Reneke, a highly regarded Australian amateur astronomer and lecturer with over 50 years of experience, has established himself as a prominent figure in the field of astronomy. With affiliations to leading global astronomical institutions,

David serves as the Editor for Australia's Astro-Space News Magazine and has previously held key editorial roles with Sky & Space Magazine and Australasian Science magazine. 

Heard on over 50 stations weekly