How cold does it get in the shadows on the Moon? What's going on with dark matter research? Can we chase Oumuamua with a solar sail spacecraft? Will we ever face a war for the Moon? Answering all these questions and more in this week's Q&A.

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• 00:00 Start

• 00:29 [Andoria] How cold do shadows on the Moon get?

• 05:34 [Vulcan] Why are dark matter halos spherical?

• 08:48 [Risa] Are we alone in the Universe?

• 12:26 [Aeturen] Will there be a war for the Moon?

• 15:40 [Vendikar] Current obsessions

• 19:58 [Remus] What's going on with dark matter?

• 23:52 [Janus] Can we catch Oumuamua with a solar sail?

• 29:07 [Cait] What are the Hawking radiation particles?

• 29:52 [Betazed] What caused the Big Bang?

• 29:57 [Cheleb] How to transfer energy from space down to Earth?

• 33:49 [Nimbus] Will dark energy eventually decline?

• 36:44 [Belos] Is the risk of solar flares overblown or unappreciated?

📺 VIDEO VERSION

https://youtu.be/f3JrIf3Lu_U

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