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#137 – Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe
Lex Fridman Podcast
Is There a High Probability of a Collision?
Early detection and early action or key, because when it's far away, you only have to deflect it by a tiny little angle. And then by the time it reaches us, the perpendicular motion is big enough to miss Earth. That actually means that all you would need to do is slow it down so it arrives 4 minutes later or speed it up so it arrives four minutes earlier.
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