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Home > Universe Today Guide to Space Audio > [Q&A] End of Expansion of the Universe, Hypervelocity Stars, Retrograde Planets
Podcast: Universe Today Guide to Space Audio
Episode:

[Q&A] End of Expansion of the Universe, Hypervelocity Stars, Retrograde Planets

Category: Science & Medicine
Duration: 00:20:12
Publish Date: 2025-07-29 17:00:00
Description:

Do we predictions when will the Universe stop its expansion? Did we find hypervelocity stars in M31? What does it mean when planets go retrograde? And in Q&A+ could the Big Bang be a white hole?

[Q&A+] Same video. No YT ads. BONUS question. FREE:
https://www.patreon.com/universetoday

00:00 Start
00:27 [Peter Keyson] When will the Universe stop expanding?
02:54 [John De Keizer] Hypervelocity stars in M31
06:20 [kindness] What does it mean that planets are retrograde?
08:31 [J E] Are we working on strategies to mitigate the effect of satellites?

VIDEO VERSION
https://youtu.be/F5cmyeN1N9k

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