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#137 – Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe
Lex Fridman Podcast
Are There Any Exoplanet Homes?
There's a planetary system around nearly every star you see in the sky. One in five of those is thought to have a roughly Earth-like planet. Only about 1% of stars have their planetary system oriented edge on to your line of sight, which is what you need for this transit method to work. What I see potentially happening, if we avoid self destruction, intentional or unintentional here on Earth, is that machines will do it robots that can essentially hibernate and don't need to do much of anything as they're traveling. If some energetic charge particles, some cosmic ray hits the circuitry, it fixes itself, right? Machines can do this. You just tell the thing, fix
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