Podcast
Space News Today
The curated playlist of Space News podcasts from Bitesz.com...all your favourites in one feed. Space Nuts with Andrew Dunkley & Professor Fred Watson; SpaceTime with Stuart Gary and Astronomy Daily.
- Astronomy chart
- #62
- Episodes
- 528
- Releases
- Daily
- Typical length
- 24 min
- On air since
- 2025
- Latest episode
- 7 hours ago
Episodes
528 episodes, newest first
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22 min
Two Black Holes Behind the Dust: Webb Reveals a Hidden Pair in the Early Universe
Show notes
Show notes
Two black holes caught feeding side by side just 1.3 billion years after the Big Bang. JWST and ALMA confirm LID-1166, the first close dual AGN found beyond the nearby universe. Plus: Swift's final days and NASA's call for ideas to save Hubble, Rubin finds Neptune's missing trailing Trojans as Lucy enters Jupiter's, TRACERS' first look at where the solar wind gets in, and a both-hemispheres skywatch built around the Mars-Jupiter meeting on 16 November. Two Hearts in One Galaxy (LID-1166) JWST/NIRSpec integral-field spectroscopy resolves two feeding black holes ~1.5 kpc (~4,900 ly) apart at z~4.5; ALMA [CII] finds matching cold gas around each. Both appear super-Eddington yet already sit on the local black hole-host mass relation. One system, projected separation; preprint posted July, published in Nature Astronomy this week. Living on Borrowed Altitude Swift ended operations on 20 October and is expected to re-enter in early November. NASA's 29 October Request for Information asks industry about boosting, servicing or safely de-orbiting Hubble, likely to re-enter in 2033-34. Not a commitment; responses due 30 November. Trojan Week Rubin early data confirms 2025 MH348 and 2025 NN80 as long-lived trailing Neptune Trojans, plus candidate 2025 MD138 (Schwamb et al., ApJL). Lucy becomes the first spacecraft to enter the Jupiter Trojan region; Eurybates flyby 11 August 2027. TRACERS: Where the Solar Wind Gets In First results (JGR: Space Physics) suggest cusp reconnection is largely spatial rather than temporal. Mission extended to spring 2027. Quick hits BepiColombo Mercury orbit insertion 21 November; Starship Flight 15 targeted November with a double catch attempt; Voyager 1 one light-day from Earth around 18 November. Skywatch Mars and Jupiter 1.2 degrees apart before dawn on 16 November; Venus, a thin Moon and Spica low at dawn 7-10 November; Saturn high in southern evenings; zodiacal light around New Moon (9 Nov); Leonids 17-18 November; supermoon 24 November. ISO 12312-2 solar safety reminder.
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Episode link: https://play.headliner.app/episode/36037746
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28 min
New Dwarf Planet Beyond Pluto Could Be Among the Kuiper Belt’s Largest
Show notes
Monday SpaceTime 20261102 Series 29 Episode 131
New dwarf planet discovered beyond Pluto Astronomers have discovered a new dwarf planet in the outer reaches of the Solar System, beyond the orbit of Pluto. Planetary Defence Mission sees its target for the first time The European Space Agency's Hera spacecraft has now identified its target asteroids Didymos and Dimorphos achieved first light in its planetary defence mission. Russia permanently closes off part of its space station segment due to leaks Mission managers have been forced to permanently close off one of the compartments of the Russian Zvezda module on the International Space Station because of a persistent structural leak venting atmosphere into space. The Science Report Anthropic warns that AI could wipe out human existence. Rates of hospitalisations for heart problems increasing faster in states that have legalised cannabis. Atmospheric greenhouse gas levels reached record highs last year. Tehran says the Islamic republic has built the largest, most powerful conventional bomb ever made. Skeptics guide to the latest bogus cancer cure. Our Guests This Week HERA Principal Investigator Patrick Michel from ESA Our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics And Senior science writer and Sky and Telescope magazine contributor Jonathan Nally 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn (http://www.bitesz.com/nordvpn) . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ If you’d like to support the podcast and gain access to bonus content by becoming a SpaceTime crew member, you can do just that through The Big Bang editions on Patreon, Spotify and Apple Podcasts. Details on the Support page on our website https://www.bitesz.com/show/spacetime/support/ (https://www.bitesz.com/show/spacetime/support/) For more SpaceTime and show links: https://linktr.ee/biteszHQ (https://linktr.ee/biteszHQ) If you love this podcast, please get someone else to listen too. Thank you…
Episode link: https://play.headliner.app/episode/36020099
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31 min
The Great Attractor & Saturn’s Rings: Unravelling Cosmic Questions | Space Nuts: Astronomy...
Show notes
Space Nuts: The Great Attractor, What Makes a Moon, and Life Beneath the Rings
In this listener Q&A episode of Space Nuts , Andrew Dunkley and Professor Fred Watson tackle a curious collection of cosmic questions. They explain why a crescent Moon can appear alongside the Sun in the morning sky, then explore the Great Attractor: the enormous concentration of galaxy clusters influencing the motion of our Local Group. The conversation turns to a lingering classification puzzle — what exactly makes a moon a moon, and should it have to clear its orbit? Finally, they imagine the view from a rocky world with rings, considering how the rings might look through the seasons, how sunlight would filter through them and what spectacular shadows or eclipses might occur. Join Andrew and Fred Watson for astronomy, imagination and the occasional tractor joke.
Key topics
- Why the Sun and a crescent Moon can be visible together in the morning sky.
- The Great Attractor, the Zone of Avoidance and the Laniakea Supercluster.
- Whether moons need to be spherical or clear their orbits, and the case of Pluto and Charon.
- What a ringed planet might look like from its surface, including seasonal changes, shadows and eclipses.
Timestamps
00:00 - Introduction and overview of listener questions
01:20 - Why the Sun and crescent Moon can appear together in the morning
06:00 - Moon phases and how sunlight illuminates the Moon
09:30 - Paul’s question about the Great Attractor
11:00 - The Zone of Avoidance and the Laniakea Supercluster
16:00 - What defines a moon, and should it clear its orbit?
20:00 - Binary planets, Pluto and Charon
23:00 - What it might look like to stand beneath a planet’s rings
26:00 - Seasonal ring illumination, shadows and possible eclipses
30:00 - Listener feedback, updates and closing remarks
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Episode link: https://play.headliner.app/episode/36018165?utm_source=youtube
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22 min
The Impenetrable Wall That Failed: Killer Electrons Made Inside Earth’s Radiation Belt
Show notes
Show notes
Electrons made on the wrong side of Earth's 'impenetrable barrier', a gamma-ray burst that only looked weak, the week that was, and a Halloween that is astronomically a week early. The Wall That Broke In 2014 NASA's Van Allen Probes revealed a sharp inner edge to Earth's outer radiation belt: electrons at the very highest energies never got closer than about 2.8 Earth radii. During the May 2024 superstorm — the biggest since the 2003 Halloween storms — Japan's Arase satellite saw electrons of about 3 MeV rise deep inside that 'impenetrable barrier'. A new paper led by Yoshizumi Miyoshi (Nagoya University ISEE) shows a peak in electron phase space density growing in place at L* ≈ 3, about 12,000 km up — evidence the electrons were accelerated there rather than carried in. Intense chorus waves, operating in a region emptied by a crushed plasmasphere and a negative ionospheric storm, are the likely engine. Caveats: one storm; 'consistent with' chorus acceleration; the breach itself had been reported before — the new part is the mechanism. Not Faint, Just Side-On GRB 260310A, caught by Fermi on 10 March 2026, had a feeble gamma-ray flash but one of the brightest afterglows ever seen. Yu-Han Yang (Tor Vergata) and colleagues argue we viewed a two-component jet from the side. Preprint from May; published in ApJL this month; competing models exist. The Week That Was E214 GRB 160425A, one burst with two births · E215 θ¹ Ori C, the star born twice · E216 Rubin's first dwarf-planet candidate 2026 ED138 · E217 Betelgeuse pulled out of round by Siwarha · E218 Teghaza 001, one of the oldest pieces of Mars. Plus Swift's re-entry watch, Voyager 1 at one light-day on 18 Nov, and Starship Flight 15 targeted for November. Skywatch Halloween is astronomically a week early (true cross-quarter 7 Nov). Mars, Jupiter and Regulus line up before dawn, Mars–Jupiter just over 1° apart on 16 Nov. Moon near Mars and Jupiter on the mornings of 2–3 Nov. Saturn rules the evening, best from the south. US clocks fall back 1 Nov. Solar viewing only with ISO 12312-2 certified filters. Sources · Miyoshi et al., GRL 53, e2026GL125879 (2026) — https://doi.org/10.1029/2026GL125879 · ISAS/JAXA release, 27 Oct 2026 (Japanese) — https://www.isas.jaxa.jp/topics/004417.html · Nagoya University release via phys.org — https://phys.org/news/2026-10-solar-storm-triggered-ultrarelativistic-electrons.html · Yang et al., ApJL 1011 L22 (GRB 260310A) — https://iopscience.iop.org/article/10.3847/2041-8213/aea990 · arXiv 2605.23818 (Yang et al. preprint) — https://arxiv.org/abs/2605.23818 · Gill et al., arXiv 2605.26091 (competing model) — https://arxiv.org/abs/2605.26091 · NASA: Swift mission ends ahead of re-entry — https://science.nasa.gov/blogs/swift/2026/10/23/nasas-swift-mission-ends-ahead-of-re-entry/
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26 min
S27E59: Venus’s Vanishing Vapors: The Mystery of a Bone-Dry Planet
Show notes
Embark on an interplanetary journey with SpaceTime Series 27 Episode 59, where we unravel the enigmatic atmosphere of Venus and its waterless environment. Discover the startling new study that suggests Venus lost its water reserves to space, leaving it with a mere fraction of Earth's water despite their similar origins. The episode dives into the complex chemical reactions in Venus's atmosphere that may have turned a once Earth-like planet into a scorching, inhospitable world.
Next, we explore the innovative ideas NASA is considering for future lunar logistics, including a magnetic railroad system designed to transport materials across the Moon's surface. This system could revolutionize the way we build and sustain lunar bases, pushing the boundaries of off-world construction and resource utilization.
The episode then shifts to the launch of a cutting-edge satellite from the International Space Station. This new eye in the sky aims to provide early warnings of volcanic eruptions by detecting trace gases, a game-changer for disaster preparedness and environmental monitoring.
Join us as we delve into these cosmic developments and more, including the implications of AI biases and the latest in tech from Apple.
Tune into SpaceTime with Stuart Gary for a deep dive into the latest astronomical insights and technological advancements.
(00:00) This is spacetime series 27, episode 59, for broadcast on 15 May 2024
(00:42) Study claims Venus loses twice as much water every day through dissociative recombination
(06:16) NASA is looking at building a railway on the moon to transport freight
(16:23) Ultra processed junk foods associated with higher risk of premature death, study finds
(18:52) Apple has formally released its new Apple Air and Apple Pro iPads
(24:15) Spacetime is available every Monday, Wednesday and Friday through Apple podcasts
Support the show and access ad-free episodes at https://www.spreaker.com/show/spacetime (https://www.spreaker.com/show/spacetime) . Follow our cosmic conversations on Twitter @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
This episode is proudly supported by N ordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass. (https://www.bitesz.com/nordpass.)
Listen to SpaceTime on your favorite podcast app and follow us on Twitter @stuartgary, Instagram, YouTube, and Facebook.
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Episode link: https://play.headliner.app/episode/20734923
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25 min
S27E69: Webb’s Record-Breaking Galaxy Discovery and the Hunt for New Worlds
Show notes
Join us for SpaceTime Series 27 Episode 69, where we uncover the latest cosmic revelations and scientific advancements.
First, we delve into a groundbreaking discovery by the Webb Space Telescope, which has identified the most distant galaxy ever observed. Located a staggering 290 million years after the Big Bang, this galaxy offers unprecedented insights into the universe's infancy and the formation of its earliest stars and galaxies. We explore the methods and implications of this discovery, including the galaxy's surprising brightness and the presence of dust and ionized gas.
Next, we discuss the announcement of a massive new collection of exoplanet discoveries. NASA's Transiting Exoplanet Survey Satellite (TESS) has confirmed 120 new exoplanets and identified six new candidates, bringing the total number of known exoplanets to over 6000. These findings offer a rich database for studying planetary properties and environments, particularly those that may harbor life.
Finally, we highlight new X-ray observations from NASA's Chandra X-ray Telescope, revealing dramatic changes in two famous supernova remnants: the Crab Nebula and Cassiopeia A. These observations provide stunning visualizations and valuable data on the dynamic processes occurring in these remnants.
Follow our cosmic conversations on X @stuartgary , Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
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Listen to SpaceTime on your favorite podcast app including Apple Podcasts, Spotify, YouTube Music, or wherever you get your podcasts.
Support SpaceTime
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23 min
S27E56: Saturn’s Geyser Moon Mysteries: Tidal Forces and Life’s Potential
Show notes
Embark on an interstellar odyssey with SpaceTime Series 27 Episode 56, where we delve into the enigmatic geysers of Saturn's icy moon Enceladus. Unravel the mystery behind these spectacular jets as new research draws parallels with Earth's own San Andreas Fault, suggesting a strike-slip motion akin to our tectonic shifts may be powering these icy eruptions. Discover how this celestial phenomenon could hold the keys to conditions ripe for life beneath Enceladus's frozen crust.
The episode then shifts to the dusty red plains of Mars, where NASA scientists brace for the onslaught of solar storms as our Sun approaches its fiery peak. Learn how the absence of a protective magnetic field on Mars presents a unique opportunity to observe the effects of solar radiation on the Martian surface and the implications for future human explorers.
In an unexpected twist, we recount the tale of space junk from the International Space Station making an unwelcome visit to a Florida home, reminding us of the ever-present dance between our orbital endeavors and the pull of Earth's gravity.
Join us as we navigate these cosmic currents and more, including the potential impact of solar and dust storms on Mars's ancient watery past and the measures being taken to protect future missions from the Sun's wrath.
For a voyage through the latest in space exploration and the intricacies of our solar system, tune into SpaceTime with Stuart Gary. Navigate the celestial highways with us and become part of a journey that transcends our earthly bounds.
Support the show and access ad-free episodes at https://www.spreaker.com/show/spacetime. Follow our cosmic conversations on Twitter @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
(00:00) Stuart Garry brings you the latest in spacetime series 27
(00:46) New study suggests tiger stripes on Enceladus may control geyser activity
(06:45) NASA scientists studying how solar storms and radiation will affect Mars in the future
(14:08) Scientists confirm that space junk slammed into a Florida home last month
(16:13) New research warns that older adults who lose sense of smell may lose mobility faster
(19:08) Apple is expected to announce its new iPads this week with M four chips
(21:06) Spacetime is available every Monday, Wednesday and Friday through Apple PodcastsThis episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
Listen to SpaceTime on your favorite podcast app and follow us on Twitter @stuartgary, Instagram, YouTube, and Facebook.
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Episode link: https://play.headliner.app/episode/20615618
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22 min
Mars’s Ancient Rock: A 4-Billion-Year-Old Clue to the Red Planet’s Past
Show notes
Show notes A rose-coloured rock picked up in the Sahara in 2022 turns out to be one of the oldest pieces of Mars ever found. Teghaza 001 formed at least 4.1 billion years ago, and two independent radiometric clocks agree. We explain how it was dated, what it says about early Mars losing its water, and why its source is still a shortlist of 13 craters in the southern highlands. Also: Voyager 1 goes silent for two days and recovers on its own as it nears one light-day from Earth on 18 November; Hubble finally sees the 'Cat's Tail' of Beta Pictoris, the wreckage of a collision between two Pluto-sized worlds; two Halloween ghosts in the Carina Nebula; and quick hits on the 100th US spacewalk from the ISS, Reid Wiseman's move to JPL, Swift and Starship. Skywatch: US clocks go back on 1 November, Saturn in the evening, Venus returns to the morning sky, Mars and Jupiter close in, the Moon passes Pollux, Mars, Jupiter and Regulus, the Southern Taurids, and Carina for southern observers.
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25 min
Lunar Oasis: ESA Plans a Moon Base for Long-Term Science
Show notes
Friday SpaceTime 20261030 Series 29 Episode 130 Europe’s plans for an OASIS on the Moon The European Space Agency is looking at developing its own moon base facility that would supply energy, communications, data handling and logistics on the lunar surface. Should you move to a new neighbourhood on the Moon? A new study claims a self-sustaining' city on the Moon would likely fail after about a decade. Neutrinos holding clues to the universe’s biggest secrets Two new experiments involving ghostly particles called neutrinos could provide science with new clues about the evolution of the early universe. The Science Report Kids from socioeconomically disadvantaged families more likely have Autism Spectrum Disorder. A new study warns the many of the world’s major cities are sinking. New insights that could help mitigate the fast-rising climate impact of Lithium-ion Batteries. Claims a man laid to rest in a Roman sarcophagus in Westminster Abbey isn’t who he should be. Skeptics guide to the triggers for seeing ghosts. Our Guests This Week Dr Sara Webb from Swinburne University Dr Thomas Watters from the Smithsonian's National Air and Space Museum Dr. Don Lincoln from Fermilab Our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn (http://www.bitesz.com/nordvpn) . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ If you’d like to support the podcast and gain access to bonus content by becoming a SpaceTime crew member, you can do just that through The Big Bang editions on Patreon, Spotify and Apple Podcasts. Details on the Support page on our website https://www.bitesz.com/show/spacetime/support/ (https://www.bitesz.com/show/spacetime/support/)
Episode link: https://play.headliner.app/episode/35987680
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23 min
Betelgeuse’s Ghost Companion: The Hidden Star Stirring Orion’s Giant
Show notes
Episode summary
Betelgeuse is being haunted. New VLA and ALMA radio observations show the red supergiant's atmosphere stretches and relaxes in step with the orbit of its hidden companion, Siwarha — a companion too faint to see in radio, caught by the ripples it leaves behind. Also: lithium-fluoride crystals that rode around the Moon on Artemis I, why comets almost certainly didn't deliver life's ingredients to Earth (but did better on Mars), and Virgin Galactic's new spaceship, Apeiron. Plus Swift's final days, Hubble helping Roman, Starship Flight 15, and where to find Betelgeuse tonight from both hemispheres. Show notes
The Ghost in Betelgeuse · Matthews (MIT Haystack), Dupree (CfA), Richards (Manchester) and Dent (ESO/ALMA) imaged Betelgeuse at seven frequencies, 22–485 GHz, with the VLA and ALMA between 2021 and 2026. · The outer atmosphere has recovered from the 2019–20 Great Dimming (~3,500 K at 22 GHz); a temperature minimum of ~2,220 K sits at ~1.2 stellar radii, matching the infrared 'MOLsphere'. · The star's ellipticity tracks the orbital phase of its companion Siwarha: more stretched near greatest elongation (~10% in Oct 2024), rounder near transit and eclipse (2% in Apr 2026). · Caveats: small effect, ~9 epochs, frequency-dependent orientation puzzle, Siwarha's nature contested; preprint posted August 2026. · Next: Siwarha re-emerges on the far side of Betelgeuse in late 2027. Crystals That Went Around the Moon · Bilski et al. (IFJ PAN, DLR), Radiation Measurements: LiF fluorescent nuclear track detectors from the MARE phantoms on Artemis I reconstructed the cosmic-ray energy-deposition spectrum without destroying the detector. · Matched plastic track detectors at intermediate energies; ~30% overestimate for the heaviest ions, attributed to neutron knock-on of lithium nuclei; lithium-7 crystals reduce it. · Near the Moon, dose was higher than in low Earth orbit but less than intuition suggests, and more evenly spread through the body. Comets Probably Didn't Seed Life on Earth · Anslow et al. (Cambridge), Scientific Reports: rapid decline of the bombardment, comet break-up, atmospheric filtering, impact heating and crater-lake dilution make HCN delivery to early Earth 'exceedingly rare'. · Delivery to Mars is about five times more effective (lower impact speeds, thinner atmosphere). · Caveat: modelling, focused on HCN; doesn't exclude delivery in tightly packed exoplanet systems. Virgin Galactic's Apeiron Comes Home · First Delta-class spaceplane named Apeiron ('boundless') on 28 Oct and flown under mothership Eve from Mesa, Arizona to Spaceport America. · Flight tests next; customer flights targeted mid-2027; second ship late 2027; target twice-weekly flights and 500+ missions per vehicle. Quick Hits · Swift ended operations 20 Oct; NASA expects re-entry within weeks. · Hubble lens image DESI J194.5345+03.5358 released to help calibrate Roman's ~160,000 expected strong lenses (image release, no new paper). · Starship Flight 15 targeted for November with a two-stage catch attempt; no official date. Skywatch · Betelgeuse rises ~22:33 Sydney, 21:48 LA, 21:46 NY, 20:39 London (Fri 30 Oct); highest before dawn: 49° Sydney, 63° LA, 57° NY, 46° London. US clocks fall back Sun 1 Nov. · Saturn at dusk; Mercury's last evening appearance favours the south (~11° at sunset from Sydney). · Pre-dawn Mars–Jupiter closing: 6.5° (this weekend), ~4° (5 Nov), ~1.2° (16 Nov). Last quarter Moon 1 Nov 20:28 UTC; Moon past Mars, Jupiter and Regulus 2–3 Nov. · Zodiacal light: evening west from the south, pre-dawn east from the north. Solar viewing only with ISO 12312-2 filters. Sources · NRAO via Newswise — What Lurks Within the Shadows of Betelgeuse? — https://www.newswise.com/articles/what-lurks-within-the-shadows-of-betelgeuse · Matthews et al., arXiv 2608.02847 — https://arxiv.org/abs/2608.02847 · Bilski et al., Radiation Measurements (DLR elib record) — https://elib.dlr.de/226596/ · Universe Today — Glowing Salt Crystals Tracked Radiation Aboard Artemis I — https://www.universetoday.com/articles/glowing-salt-crystals-tracked-radiation-aboard-artemis-i · Anslow et al., Scientific Reports — https://www.nature.com/articles/s41598-026-74214-y · Universe Today — Ancient Comets Carried Organic Compounds… — https://www.universetoday.com/articles/ancient-comets-carried-organic-compounds-but-they-didnt-survive-crashing-into-earth · Universe Today — Virgin Galactic Flies Next-Gen Space Plane… — https://www.universetoday.com/articles/virgin-galactic-flies-next-gen-space-plane-to-new-home-with-new-name · NASA — Swift Mission Ends Ahead of Re-Entry — https://science.nasa.gov/blogs/swift/2026/10/23/nasas-swift-mission-ends-ahead-of-re-entry/ · NASA — Hubble Charts Path for Roman with Gravitational Lenses — https://science.nasa.gov/?p=1462412
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33 min
Japan’s Phobos Mission & Martian Quakes: Exploring Mars’ Moons, Canyons, and the Search for ET |...
Show notes
Space Nuts: Mars’ Moons, Martian Quakes, and the Search for ET
In this engaging episode of Space Nuts , Andrew Dunkley and Professor Fred Watson explore two mysteries from Mars, along with a new effort to listen for signs of life beyond Earth. First, they unpack Japan’s Martian Moons eXploration (MMX) mission, which will study Phobos and Deimos, attempt a landing on Phobos and bring samples back to Earth. The discussion turns to a Marsquake traced to the immense Valles Marineris canyon, offering fresh clues that the Red Planet may still be geologically active. Finally, Andrew and Fred Watson examine Saudi Arabia’s plans for a major astronomical observatory, including a site for Laser SETI detectors searching for brief flashes of possible extraterrestrial communication. Join them for a cosmic tour filled with planetary puzzles, ambitious missions and a little speculation about how aliens might get in touch.
Key topics
- Japan’s MMX mission to investigate Mars’ moons and return samples from Phobos.
- The possible origins of Phobos and Deimos, and the challenges of landing on a world with almost no gravity.
- A Marsquake linked to Valles Marineris and what it suggests about the planet’s geological activity.
- Saudi Arabia’s planned observatory and the use of optical Laser SETI detectors in the search for extraterrestrial signals.
Timestamps
00:00 - Introduction and episode overview
01:20 - Japan’s MMX mission and the mysteries of Phobos and Deimos
06:00 - How the mission will study Phobos and attempt to collect samples
12:00 - The challenges of landing on Phobos and the planned sample return to Earth
15:45 - A Marsquake traced to Valles Marineris
19:30 - What the quake reveals about Mars’ geological activity
22:00 - Saudi Arabia’s new observatory and the Laser SETI search
26:00 - How optical detectors could look for signals from extraterrestrial intelligence
29:00 - Closing thoughts and listener engagement
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21 min
Rubin’s Hidden Dwarf Planet: The World Lost in the Milky Way
Show notes
Show notes
Astronomy Daily S05E216 — A New World in the Crowd (Thursday 29 October 2026). Hosts Anna and Avery. Lead: the Vera C. Rubin Observatory has found its first dwarf-planet candidate. 2026 ED138 lies beyond Pluto, about 46 au from the Sun. Matthew Holman (CfA) found it on 13 October with a search code built with Kevin Napier, and it was announced on 27 October at the DPS meeting in Spokane (MPEC 2026-U85). Rubin caught it 30 times on 20 nights between March and July, and Dark Energy Camera precoveries extend the orbit back to 2016. Only nine known trans-Neptunian objects are intrinsically brighter. Its size is estimated at 600–1,500 km, depending on reflectivity, so it remains a candidate until infrared or occultation measurements pin it down. It hid near the plane of the Milky Way, about 43° south of the celestial equator. Also: JWST's 37-hour phase curve shows the lava world TOI-561 b reflecting about three-quarters of its starlight, possibly through silicate clouds, with University of Sydney co-authors. ESA's Hera resolves Didymos and Dimorphos separately for the first time, with detailed Dimorphos images due 25 November. NASA's Swift is in its final weeks before re-entry, and UVEX passes a key review. Skywatch for Sydney, Los Angeles, New York and London: Mars and Jupiter closing in the pre-dawn sky (1.2° on 16 November), Saturn in the evening, Mercury's last call from the south, the waning Moon through Taurus to Gemini, and the US clock change on 1 November.
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24 min
The Star That Was Born Twice: Orion’s Nebula Mystery
Show notes
Show notes
Astronomy Daily S05E215 — The Star That Was Born Twice (Tuesday 27 October 2026). Hosts Anna and Avery. Lead: the Orion Nebula's age paradox. Its planet-forming discs and its expanding gas shell both look far younger than its million-year-old stars. Wilhelm, Trani and Portegies Zwart (Leiden / Universidad de Concepción) propose that the nebula's most massive star, θ1 Orionis C1, formed a few hundred thousand years ago when two stars merged, driven by their companion's gravity, suddenly switching on harsher radiation. We cover the caveats and the clean test that could falsify it. Also: WD J1328−1450, a white dwarf with two nested rings of gas that point to two hidden planetary bodies; China's AIMS telescope reads a solar flare's magnetic field directly in the mid-infrared; and a Yale study arguing giant impacts can help rocky planets keep hydrogen atmospheres. Quick hits: NASA's new Competition Model 2.0, Swift's mission formally ended ahead of re-entry, Hera's second braking burn, and the DPS meeting in Spokane. Skywatch: finding the Orion Nebula from Sydney, Los Angeles, New York and London; Saturn in the evening; Mercury's last call in the south; Mars and Jupiter converging before dawn. Sources · Wilhelm, Trani & Portegies Zwart, 'A triple-induced merger in θ1 Ori C solves the proplyd lifetime problem and the curiously young shell of M42', A&A, DOI 10.1051/0004-6361/202662018; arXiv 2609.38550 — https://arxiv.org/abs/2609.38550 · Leiden University release, 23 Oct 2026 — https://www.universiteitleiden.nl/en/news/2026/10/leiden-astronomers-explain-the-orion-nebulas-age-paradox · Gentile Fusillo, Lagos-Vilches, Koester et al., 'A double debris disc around a white dwarf sculpted by two planetary bodies', Nature Astronomy, 26 Oct 2026, DOI 10.1038/s41550-026-03004-3 — https://www.nature.com/articles/s41550-026-03004-3 · Deng, Bai, Wei et al., 'Apparent magnetic field decay in a solar flare from Zeeman splitting of the Mg I 12.32-µm line', Nature Astronomy, 23 Oct 2026, DOI 10.1038/s41550-026-03013-2; arXiv 2610.33502 — https://arxiv.org/abs/2610.33502 · Modirrousta-Galian & Korenaga, 'Retention of primordial atmospheres through giant impacts', Nature Astronomy, 26 Oct 2026, DOI 10.1038/s41550-026-03006-1 — https://www.nature.com/articles/s41550-026-03006-1 · NASA Science, 'Faster to Science: A Letter to the Science Community' — https://science.nasa.gov/directorates/smd/faster-to-science-a-letter-to-the-science-community/ · NASA Science, 'NASA's Swift Mission Ends Ahead of Re-Entry', 23 Oct 2026 — https://science.nasa.gov/blogs/swift/2026/10/23/nasas-swift-mission-ends-ahead-of-re-entry/ · ESA Hera mission updates — https://www.esa.int/Space_Safety/Hera
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15 min
Martian Rift: New Evidence Shows Valles Marineris Is Still Active
Show notes
Wednesday SpaceTime 20261028 Series 29 Episode 129 Giant Valles Marineris canyon still tectonically active A new study claims the solar system’s largest canyon Valles Marineris is still active and reshaping the red planet Mars today. Our incredibly shrinking Moon A new study of young tectonic landforms on the lunar surface suggests the Moon’s shrunk by at least 90 metres over the past 400 to 800 million years. When was van Gogh's famous The Starry Night painted? A new study suggests that the position of the stars, planets, and the Moon in Vincent van Gogh's The Starry Night painting may have been painted before dawn on the 22nd of July 1889. The Science Report A new study warns of the health dangers of vaping for your heart. Discovery of a fossil of a Chinese Jurassic-era creature with features similar to a platypus. A fast, low-cost method for manufacturing wire-grid polarisers using laser-cut metal foil. People anxious about relationships are more likely to have problematic social media use. Alex on Tech: The PHP cyber threat. 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn (http://www.bitesz.com/nordvpn) . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ If you’d like to support the podcast and gain access to bonus content by becoming a SpaceTime crew member, you can do just that through The Big Bang editions on Patreon, Spotify and Apple Podcasts. Details on the Support page on our website https://www.bitesz.com/show/spacetime/support/ (https://www.bitesz.com/show/spacetime/support/) For more SpaceTime and show links: https://linktr.ee/biteszHQ (https://linktr.ee/biteszHQ) If you love this podcast, please get someone else to listen too. Thank you…
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26 min
A Gamma-Ray Burst’s Split Personality: The Week Swift Fell Silent
Show notes
Show notes In 2016, NASA's Swift caught a gamma-ray burst that came in two parts: a 1.7-second spike, four minutes of silence, then a 51-second burst from the same spot. A new Nature Astronomy paper finds that nearly every classification test labels the first part a merger and the second a collapsing star. It was published three days after Swift ended science operations. Also today: a black hole disc in MAXI J0637−430 that puffs up and shades itself at just a fifth of the Eddington limit; JWST finds methane in interstellar comet 3I/ATLAS with a deuterium ratio of 3.18%, the highest ever measured in methane anywhere in the solar system; and NASA's Psyche goes to near-continuous thrust and makes the first in-space measurement of Hall-thruster swirl torque. Quick hits: Hera's second braking burn, Dragonfly's first simulated Titan flight, and 20 years of STEREO. Skywatch for Sydney, Los Angeles, New York and London: the Hunter's Moon, Mars and Jupiter closing before dawn, Saturn in the evening and Mercury's last call.
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36 min
Antimatter Achievement: Scientists Successfully Trap Positrons for Months
Show notes
Monday SpaceTime 20261026 Series 29 Episode 128 Scientists trap and tame a single particle of antimatter for months Physicists have successfully trapped an antimatter particle called a positron in an experiment that helps set the stage for one of the toughest tests yet for the Standard Model of particle physics – the foundation stone of science’s understanding of the universe. Lift off for Japan’s first sample return mission to the red planet Mars Japan’s Martian Moons eXploration MMX mission is on its way to the red planet’s moon Phobos following its successful launch from the Tanegashima Space Center south of Tokyo. The Time Lords have demanded a change in how we understand time Scientists are changing the way we measure time with a decision to abolish the leap second. The Science Report A world first Australian developed personalised M-RNA melanoma vaccine. The catastrophic environmental collapse in the wake of the 2010 BP Deepwater Horizon oil spill. An enzyme produced by bacteria that can break down polyurethane products. A new study shows people who spend more time with their pet cats have more positive moods. Skeptics guide to exposing the Patterson Gimlin bigfoot film. Our Guests This Week Dr Sara Webb from Swinburne University Dr Thomas Watters from the Smithsonian's National Air and Space Museum Dr. Don Lincoln from Fermilab Our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn (http://www.bitesz.com/nordvpn) . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ If you’d like to support the podcast and gain access to bonus content by becoming a SpaceTime crew member, you can do just that through The Big Bang editions on Patreon, Spotify and Apple Podcasts. Details on the Support page on our website https://www.bitesz.com/show/spacetime/support/ (https://www.bitesz.com/show/spacetime/support/)
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19 min
Artemis 4: The Moon’s Tiebreaker Awaits - The Weekend Wrap
Show notes
Show notes NASA lays out Artemis III day by day: fourteen days in Earth orbit, two rival landers, one Orion. Plus the week that was, Swift's final bow, and Venus changing sides. The Rehearsal NASA's 23 October Artemis update laid out Artemis III day by day: a 14-day low-Earth-orbit mission targeted for summer 2027 in which Orion docks with a Blue Origin Blue Moon Mark 2 test lander on day three (crew enter its cabin) and a SpaceX Starship test lander on day eight. For Artemis IV in 2028, Starship would dock with Orion in Earth orbit and push it to the Moon; Blue Moon would reach lunar orbit on Mark 1-derived transfer stages. Isaacman put Artemis III about 90 days behind on paper. Plus: the National Academies' four science-first landing sites, none at the south pole. The Week That Was MMX launched for Phobos and is in good health; the Moon is still shrinking (10,000 young thrust faults); the Milky Way's disc formed in two stages; balloons measured GLE 77 through the atmosphere; and The Starry Night as a real 1889 sky. Also: the ELT's mirror, a Valles Marineris marsquake and Roman's science commissioning. Farewell, Swift On 20 October Swift reached 275 km, entered safe mode and was commanded to end operations ahead of re-entry, expected within weeks. No date or location has been published. Skywatch Venus at inferior conjunction (24 Oct, 6.5° from the Sun — do not look); Mercury low in the west for the south; the near-full Moon beside Saturn tonight; full Hunter's Moon 26 Oct 04:11 UTC; Mars and Jupiter closing pre-dawn for the north; UK clocks go back Sunday 25 Oct. Always use ISO 12312-2 certified filters for any solar viewing.
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23 min
Starry Nights and Cosmic Insights: Van Gogh’s Real Sky Revealed
Show notes
Show notes Astronomers argue The Starry Night shows a real pre-dawn sky over Saint-Rémy around 22 July 1889; Roman enters science commissioning; Rubin's test camera and the Seagull Nebula; quick hits on Hera, Starship, Swift and Artemis; Skywatch with Venus at inferior conjunction. · Lead: The Night Van Gogh Saw · Roman Enters Science Commissioning · Rubin'S Test Camera And The Seagull · Quick Hits · Skywatch Sources · Kim et al., Scientific Reports — DOI 10.1038/s41598-026-73025-5 — https://doi.org/10.1038/s41598-026-73025-5 · EurekAlert — SLLAB release, 22 Oct 2026 — https://www.eurekalert.org/news-releases/1148245 · Science News — 'Was van Gogh's The Starry Night a flight of fancy or a real sky?' (Olson comment) — https://www.sciencenews.org/article/van-gogh-starry-night-real-sky-stars · Space.com — Starry Night depicts the sky on July 22, 1889 — https://www.space.com/astronomy/van-goghs-the-starry-night-depicts-the-sky-on-july-22-1889-researchers-find · Code and data — GitHub sllabinc/StarryNight; Zenodo 10.5281/zenodo.21175816 — https://doi.org/10.5281/zenodo.21175816 · NASA — Roman Space Telescope enters final commissioning phase — https://science.nasa.gov/blogs/roman/2026/10/22/nasas-roman-space-telescope-enters-final-commissioning-phase/ · NOIRLab — Seagull Nebula through Rubin's Commissioning Camera (noirlab2625) — https://noirlab.edu/public/news/noirlab2625/ · Universe Today — Even the Rubin's test camera produces stunning images — https://www.universetoday.com/articles/even-the-rubins-test-camera-produces-stunning-images · ESA — Brake! Time for ESA's Hera asteroid mission to go slow — https://www.esa.int/Space_Safety/Hera/Brake!_Time_for_ESA_s_Hera_asteroid_mission_to_go_slow · ESA Hera on X — https://x.com/ESA_Hera · New Space Economy — SpaceX targets November for Flight 15 — https://newspaceeconomy.ca/2026/10/21/spacex-targets-november-2026-for-starship-flight-15-and-its-first-stage-tower-catch/ · NASA — Recently published (Faster to Science letter) — https://www.nasa.gov/news/recently-published/ · IJR/AP — Swift expected to re-enter in early November — https://ijr.com/discover/science-2026-09-25-nasa-telescope-rescue-spacecraft-reenters-mission-fails-3e6b8d19 · EarthSky — Sun news, 22 Oct 2026 — https://earthsky.org/sun/sun-news-activity-solar-flare-cme-aurora-updates/ · Skywatch ephemerides computed in-session with PyEphem for Sydney, Los Angeles, New York, London and Saint-Rémy (1889)
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17 min
Martian Milestone: Perseverance Breaks Distance Record on the Red Planet
Show notes
Friday SpaceTime 20261023 Series 29 Episode 127 NASA’s Perseverance Rover sets a new record NASA’s Mars Perseverance Rover has just set a new record for travelling the greatest distance ever achieved on another world. NASA’s SunRISE mission to launch next year NASA has confirmed that its SunRISE heliophysics Mission will launch no earlier than the middle of next year using six satellites to study the Sun’s corona. Adelaide stem cell experiment reaches space Human stem cells from Adelaide University's Center for Cancer Biology have successfully travelled to the edge of space and back as part of a landmark mission for Australian cancer research. The Science Report New research suggests cannabis might make you feel sleepy, but leads to worse sleep quality. A new study claims holding poses like squats or planks can lower blood pressure. A new strategy to design a vaccine for the cancers decimating Tasmanian devil populations. Archaeologists are working on what may be the world’s oldest shipwreck. Skeptics guide to repressed memories. Our Guests This Week Professor Steve Madden from the Australian National University Blue Origin Exploration Systems Technical Program Manager Yuka Matsuyama Blue Origin Exploration Systems Vice President Kris Zacny NASA Perseverance Deputy Project Scientist Katy Stack Morgan NASA Perseverance Project Scientist Ken Farley NASA Perseverance Deputy Project Manager Matt Wallace NASA Perseverance Chief Engineer Adan Steltzner NASA Perseverance Mobility Team Member Farah Alibay Our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn (http://www.bitesz.com/nordvpn) . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ If you’d like to support the podcast and gain access to bonus content by becoming a SpaceTime crew member, you can do just that through The Big Bang editions on Patreon, Spotify and Apple Podcasts. Details on the Support page on our website https://www.bitesz.com/show/spacetime/support/ (https://www.bitesz.com/show/spacetime/support/)
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25 min
From Solar Storms to Martian Canyons: The Latest in Space News
Show notes
Show notes Last November the Sun produced its strongest radiation storm in almost twenty years, and this time scientists were ready: neutron monitors from Cornwall to Shetland, sensors on transatlantic airliners, and weather balloons launched within the hour. A new Space Weather paper shows just how patchy the storm was, with one Shetland balloon passing aviation warning thresholds while others saw nothing. Also: a marsquake proves Valles Marineris is still tectonically active, a near-synchronised binary powers the Kepler field's most violent superflares, suspected Chinese rocket debris lands in a Borneo plantation, a correction on NASA's Artemis briefing, Hera's second braking burn, and a both-hemispheres skywatch with Venus at inferior conjunction, Mercury for the south, and the Moon with Saturn. Sources · Baird et al., Space Weather (DOI) — https://doi.org/10.1029/2026SW005279 · University of Surrey release, 20 Oct 2026 — https://www.surrey.ac.uk/news/rare-solar-radiation-storm-gives-scientists-clearest-picture-yet-flight-risks · NICT — ICAO space weather centres (ACFJ) — https://swc.nict.go.jp/en/knowledge/icao.html · Song et al., Nature Communications — https://www.nature.com/articles/s41467-026-78193-6 · Columbia/phys.org — Valles Marineris — https://phys.org/news/2026-10-giant-canyon-mars-tectonically-today.html · Kővári et al., arXiv 2610.11799 — https://arxiv.org/abs/2610.11799 · Konkoly Observatory release via phys.org — https://phys.org/news/2026-10-astronomers-uncover-powerful-stellar-flares.html · AFP via phys.org — Indonesia debris — https://phys.org/news/2026-10-indonesia-probes-chinese-rocket-fragment.html · CGTN — Zhuque-2E launch 14 Oct — https://news.cgtn.com/news/2026-10-14/China-s-Zhuque-2E-rocket-launches-10-satellites-into-space-1ReYXyOhz5C/share_amp.html · ESA — Hera braking manoeuvres — https://www.esa.int/Space_Safety/Hera/Brake!_Time_for_ESA_s_Hera_asteroid_mission_to_go_slow · NASA — Artemis update advisory — https://nasa.gov/news-release/nasa-to-discuss-artemis-acceleration-status-of-upcoming-moon-missions
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