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Comet Births and Neptune's Secrets

September 11, 2026 · 22 min

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SpaceTime Series 29 Episode 109 Witnessing the birth of a comet More than 5 billion kilometres from Earth, an ancient icy object is slowly awakening as a distant frozen world known as a Centaur transforming into an active comet. New mysteries about the moons of Neptune A new study has revealed that three of Neptune's inner moons may be the shattered remains of ancient icy worlds. NASA’s Roman Space Telescope blasts off bound for orbit beyond the Moon NASA’s next great flagship cosmic observatory the Nancy Grace Roman Space Telescope has successfully launched into space bound for orbit on the dark side of the Earth beyond the Moon. The Science Report Scientists have found a link between flavour chemicals in some vapes and pregnancy problems. A new study shows flight attendants and pilots have the highest risk of death from radiation-related cancers. A growing plant disease spreading across parts of Western Australia is linked to a loss of habitat. Scientists claim they’re working on a tent that can supply its own electricity. Skeptics guide to England’s most violent poltergeist. Our Guests This Week Dr Benjamin Pope from Macquarie University Chelsea Gohd NASA Public Engagement Specialist Astrophysicist Jason Rhodes NASA JPL Astrophysicist DIda Markovic NASA JPL Astrophysicist Eric Huff NASA JPL Our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ 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/

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