Cosmic Coffee Time with Andrew Prestage

10:56

#97 Nancy Grace Roman: The new space telescope...

Cosmic Coffee Time with Andrew Prestage ·

2026/09/30

Send us Fan Mail NASA has launched the Nancy Grace Roman Space Telescope, opening a new chapter in our exploration of the universe. We discover who Nancy Grace Roman was, and the remarkable career that led her to become one of NASA’s most influential astronomers. We follow Roman’s spectacular launch aboard a SpaceX Falcon Heavy and its journey towards the second Sun-Earth Lagrange point. We explore how this powerful infrared observatory will survey enormous areas of sky, investigate dark ener...

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11:10

#96 The James Webb Space Telescope: The world’s most...

Cosmic Coffee Time with Andrew Prestage ·

2026/08/31

Send us Fan Mail The James Webb Space Telescope is the most powerful space telescope ever built, designed to look deeper into the universe and further back in time than ever before. Let's check out the technology behind Webb, from its enormous 6.5-metre mirror and infrared vision to its extraordinary location in space. We'll see some of Webb’s remarkable discoveries, including ancient galaxies, newborn stars and the atmospheres of distant exoplanets. Most importantly, Webb is helping answer s...

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8:52

#95 Of the enormous number of things that happen in...

Cosmic Coffee Time with Andrew Prestage ·

2026/07/31

Send us Fan Mail There are a few really interesting coincidences in space science. From Earth, the sun and moon appear the same size, that’s super unlikely. Earth seems to made for us, well, if it didn’t, we wouldn’t be here have the discussion I guess. And our lifetimes overlap with the Apollo Moonwalkers, the first humans to set foot on another world. The chances of that were incredibly slim. These coincidences don’t have any special meaning, in fact it would be weird if there weren’t...

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8:08

#94 The Artemis III crew has been selected. Who are...

Cosmic Coffee Time with Andrew Prestage ·

2026/06/30

Send us Fan Mail NASA has announced the four astronauts who will fly Artemis III, the first crew assigned to test the lunar landing hardware in Earth orbit. They’ll test the rendezvous, docking and spacecraft systems that future lunar landings will depend on. In this episode, we take a closer look at the newly announced crew, why these astronauts were chosen, what Artemis III will actually accomplish, and why the announcement has already sparked debate about the future of human space explorat...

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10:28

#93 What can we do to stop another dinosaur...

Cosmic Coffee Time with Andrew Prestage ·

2026/05/31

Send us Fan Mail 66 million years ago, an asteroid smashed into Earth and caused a mass extinction, including nearly all of the dinosaurs. What would we do if another extinction level asteroid was heading to Earth? The good news is we’re monitoring the skies to identify them early. And there are some incredible strategies for managing high risk objects, and we look at a dramatic test from 2022. Follow Cosmic Coffee Time on X for some special content X.com/CosmicCoffTime Email us! cosmiccoffee...

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28:53

#92 Particle physicist and author Dr. Sarah Alam...

Cosmic Coffee Time with Andrew Prestage ·

2026/05/19

Send us Fan Mail Particle physicist and author Dr. Sarah Alam Malik stops by for an expansive conversation about astronomy, the history of scientific discovery, and our endless fascination with the night sky. In her new book, A Brief History of the Universe, And Our Place in It, Dr. Sarah explores how our understanding of the cosmos has evolved from ancient observers tracking the stars, through the revolutionary ideas of Copernicus and Newton, to modern discoveries about dark matter and the o...

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7:16

#91 What’s next for the Artemis program? Artemis 2...

Cosmic Coffee Time with Andrew Prestage ·

2026/04/30

Send us Fan Mail Artemis 2 was was a breathtaking moment for us all. We were mesmerised by the four astronauts and the images they sent back to Earth. But so much lies ahead, and that’s the really exciting part. Artemis 3 will orbit the Earth and try out some of the equipment and manoeuvres that we just can’t test on Earth. Artemis 4 will be truly amazing. That’s the mission that’s going to take people back to the surface of the Moon for the first time since 1972. Follow Cosmic Coffee T...

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24:19

#90 An Australian backyard astronomer helped NASA...

Cosmic Coffee Time with Andrew Prestage ·

2026/04/21

Send us Fan Mail Chris Stockdale is an award winning astronomer in the Gippsland area of Australia. His contribution to NASA's exoplanet research earned him the Berenice and Arthur Page Medal from the Astronomical Society of Australia. And he's an amateur. Chris uses an observatory in his own backyard to monitor candidate stars from NASA's Transiting Exoplanet Survey Satellite (TESS) and studies their brightness over time. If the light dims by as little as half a percent, he's found ano...

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11:22

#89 Rogue planets! It's possible that most planets in...

Cosmic Coffee Time with Andrew Prestage ·

2026/03/31

Send us Fan Mail We instinctively think of planets as rocky or gaseous bodies orbiting a star like our sun, with sunrise, sunset, heating and maybe even seasons. But what if a planet didn't orbit a light source? What if it just floated through space vaguely orbiting the centre of the galaxy, but tugged this way and that way by nearby stars and stellar systems. These are rogue planets. No sunrise, no sunset, no heat from an outside source. Just starlight and blackness as it wandered aimlessly ...

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12:09

#88 Is the Universe Infinite? It’s almost an...

Cosmic Coffee Time with Andrew Prestage ·

2026/02/28

Send a text Most people have looked to the skies and wondered if the universe has a boundary, or maybe it goes on for ever. The universe might be finite, with and end somewhere. Or, it might be infinite, with an infinite amount of space and matter. Both of thos throw up some mind bending questions, and maybe even real life duplicates of ourselves. Problem is, we would never be able to observe them, or even test for their presence, or even know if they exist. So does it matter? Follow Cosmic ...

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7:43

#87 The next crewed Moon mission is ready for launch....

Cosmic Coffee Time with Andrew Prestage ·

2026/01/31

Send us a text The launch window for Artemis II opens on 6 February 2026. Humans will fly a test mission, swinging around the far side of the moon for the first time since Apollo 17 in 1972. There won’t be a landing, but just like Apollo 8 tested systems in the lunar vicinity before Apollo 11, Artemis II will test the modern systems under the same conditions the landing missions. There will be a crew of 4 including the first person of colour, the first woman and the first non American to fly ...

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9:52

#86 We all love the Moon, but it hasn’t always been...

Cosmic Coffee Time with Andrew Prestage ·

2025/12/31

Send us a text The Moon has a history longer than any of the features on Earth, but it isn’t as old as Earth. The Giant Impact hypothesis says that a Mars sized protoplanet collided with earth Billions of years ago and threw out enough of earth’s mantle to make the Moon. It’s an incredible story, and it might just have been the luckiest thing that ever happened for us. Without the Moon, life as we know it might never have existed. Follow Cosmic Coffee Time on X for some special content X.com...

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8:07

#85 Skywatch December 2025. Geminid Meteor Shower,...

Cosmic Coffee Time with Andrew Prestage ·

2025/11/30

Send us a text As the year winds down, let’s take a look at what the night sky has on offer in December 2025. The highlight has to be the Geminid Meteor Shower. Over a couple of nights this month, Earth crashes through the debris trail of asteroid 3200 Phaethon, producing a spectacular meteor shower. There’s a Supermoon in close proximity to the Pleiades star cluster, and we say goodbye to an interstellar traveller in 3I/ATLAS. Follow Cosmic Coffee Time on X for some special content X.com/Co...

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9:16

#84 Before exoplanets comes a protoplanetary disc,...

Cosmic Coffee Time with Andrew Prestage ·

2025/10/31

Send us a text We’ve detected many exoplanets and exoplanetary stems, they orbit stars in other parts of the galaxy. These planets form the same way our planetary did, they coalesce from a protoplanetary disc of gas and dust. Scientists have recently found a useful kind of substance - heavy water in one of these protoplanetary discs, and it’s told us a lot about how water might end up in planetary systems. Follow Cosmic Coffee Time on X for some special content X.com/CosmicCoffTime Email us!...

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7:51

#83 Two black holes collided a billion light years...

Cosmic Coffee Time with Andrew Prestage ·

2025/10/07

Send us a text A billion light years away, a billion years ago, two black holes spiralled toward each other and collided, we detected its gravitational waves in January 2025. We’ve detected many of these before, but this one was different. It was such a strong, clear signal that we could test laws of physics that had been proposed many decades earlier. It even put Einstein to the test. Follow Cosmic Coffee Time on X for some special content X.com/CosmicCoffTime Email us! cosmiccoffeetime@gma...

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8:47

#82 Apollo-Soyuz at 50! It’s been a half century...

Cosmic Coffee Time with Andrew Prestage ·

2025/08/31

Send us a text In 1975, an incredible and unlikely partnership resulted in the docking of a NASA Apollo capsule and a Soviet Soyuz spacecraft in Earth orbit. The cold war opponents worked together to overcome not only engineering challenges, but the rivalry and suspicion of the cold war. This cooperation led to the Shuttle-Mir program in the 90s and the present day International space station. They all began with the spirit of cooperation from Apollo-Soyuz. Follow Cosmic Coffee Time on...

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9:08

#81 After centuries of Earth’s rotation slowing down,...

Cosmic Coffee Time with Andrew Prestage ·

2025/07/31

Send us a text Earth’s days had been getting longer since observations began. Every century, the length of the day would increase by about two milliseconds. Like… clockwork. In recent years, something strange has been happening, the days have started getting shorter as the rotation of the Earth has been speeding up. Even more strangely, we don’t really understand why. Follow Cosmic Coffee Time on X for some special content X.com/CosmicCoffTime Email us! cosmiccoffeetime@gmail.com You can req...

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8:10

#80 Plants on the Moon. An Australian team of...

Cosmic Coffee Time with Andrew Prestage ·

2025/06/30

Send us a text An Australian team of botanists and engineers are working on a project that might make or break the future of long term, long distance space occupation. They're growing plants. Not that unusual, but they're trying to grow them on the Moon. Plants produce oxygen and they are food, essential elements of living away from Earth. Let's check out the plan to experiment with germinating seeds in shoebox sized 'lunariums' on the Moon within the next 12 months. Follow Cosmic Coffee Tim...

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11:30

#79 Launched in 1972 for Venus, Kosmos 482 failed to...

Cosmic Coffee Time with Andrew Prestage ·

2025/05/31

Send us a text Kosmos 482, was a Soviet spacecraft launched in 1972 on a mission to Venus, but a technical glitch meant it never made it past Earth orbit. Designed to withstand the hellish surface of Venus, its lander remained in space for over 50 years, but this relic of Cold War space exploration has finally returned, re-entering Earth’s atmosphere decades after its failed journey. Though the mission never reached Venus, Kosmos 482’s dramatic, delayed descent closes a half-century chapter i...

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8:55

#78 The Andromeda Galaxy is a cosmic neighbour that’s...

Cosmic Coffee Time with Andrew Prestage ·

2025/04/30

No need to panic. Yet! We’ll be fine for the next 4 or 5 billion years, but Andromeda is heading our way. The Andromeda Galaxy was the first object to be identified as being outside our own galaxy, and it introduced us to extragalactic astronomy. And that’s not all. It can teach us more about dark matter and it could be home to billions of planets. It’s a very cool neighbour, but one day - it’s kinda going to move in! Follow Cosmic Coffee Time on X for some special content X.com/CosmicCoffTi...

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