Universe Today Podcast

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

20 min • 29 juli 2025

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?

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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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