[Q&A] Dark Matter Evidence, Oort Cloud Shape, Size of Lagrange Points

Will LIGO detect gravitational waves when Betelgeuse explodes? Why are scientists so sure about dark matter? Could Betelgeuse become a black hole after it goes supernova? Why is the Oort cloud a sphere, not a disk? What determines the size of Lagrange points? All this and more in this week's Q&A!

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• 00:00 Start


• 00:49 [Tatooine] Why is the Oort cloud a sphere?


• 06:25 [Coruscant] Could field stars have no metals?


• 11:00 [Hoth] Will Betelgeuse become a black hole?


• 12:32 [Naboo] Why the Universe didn't become a black hole?


• 14:45 [Kamino] Why are scientists so sure about dark matter?


• 20:56 [Bespin] Will LIGO detect Betelgeuse's bang?


• 25:02 [Mustafar] Will Earth's polarity flip break all compasses?


• 26:21 [Alderaan] How big are Lagrange points?


• 28:45 [Dagobah] What science discovery do I anticipate the most?


• 29:57 [Yavin] Can we safely go through heliospheric termination shock?


• 32:03 [Mandalore] How big must the accretion disk be for Sgr A to be visible from Earth?

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