Seeing the Oort Cloud, Rogue Planet Nearby, Knocking the Moon Away | Q&A 329

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Can a giant asteroid knock the Moon from its orbit? How good does a telescope need to be to see the Oort cloud? What are the odds of a rogue planet hiding nearby in our Solar system? And in our extended Q&A+ version, can we be sure that we're alone in the Universe? Answering all these questions and more in this Q&A show.

00:00 Start
00:30 [angus campbell] Could a giant meteor knock the Moon out of orbit?
02:19 [Liam Dobbyn] Could dark matter be just failed stars with planets?
04:04 [Annie Alexander] How powerful would a telescope have to be to be able to see the Oort cloud?
05:17 [Clint Davis] Can we artificially rotate a tidally locked planet?
06:17 [your average terraria player] Why does breaking light speed cause paradoxes?
07:47 [Correctimus] How likely is it that a rogue planet is in the Oort cloud right now?
09:32 [Snelwegkoek] The coolest object I've seen in a telescope
12:37 [Sid Remey] How to through things down from the ISS?

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