In this week's questions, I explain why we'll never know which stars have no planets. How we could prevent a catastrophe on Earth and why aliens could still threaten us.
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00:48 How many stars do not have planets?
02:29 Could we prevent a catastrophe?
05:16 No aliens would be a threat to us.
07:38 Can I have any name for Patreon?
08:20 Why not put a laser on the awning spaceship?
09:40 How can neutrinos be faster than light?
10:45 How to calculate the exposure times for Hubble?
14:32 What would cause stars to collide?
18:55 How do magnetars form?
20:36 How can we destroy the planet?
22:45 Can a brown dwarf become a star?
Would you like to be part of the question show? Ask a quick question about a video in my channel. I collect a few people every week and answer them here.
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