Universe Today Podcast
Universe Today Podcast
Fraser Cain
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[Q&A] Showstopper for Mars Missions, Vera Rubin vs Aliens, Space Whales
16 minutes Posted Sep 4, 2025 at 6:00 pm.
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[Kasie Ream] Which is the bigger showstopper for Mars: food or radiation?
[Richard Vanasse] Does Vera Rubin make it impossible for an alien fleet to sneak up on Earth?
[ventsyv] One question to ask aliens
[Terminally Offline] How can I get into a career in a planetarium?
[Steve Kennedy] What is the difference between a Kilonova and a Type 1a Supernova?
[teknophyle] Should we quickly become a two planet species?
[Michael D] How do I feel about the possibility of "space whales" type aliens?
[Bobby 2112] How does artificial gravity work on various scifi spaceships?
[shootZ234] Interesting facts about black holes
[paul wilson] How bright will the Betelgeuse explosion be?
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16:17
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Show notes
Which is a bigger showstopper for a human Mars mission: food or radiation exposure? Does Vera Rubin leave any chance for aliens to still sneak upon us? Can something like space whales actually exist? And in Q&A+, when can we find out what dark matter and dark energy actually are?
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