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#348 – Nathalie Cabrol: Search for Alien Life
Lex Fridman Podcast
What if All Life on Earth Died and Now We Fast Forward a Billion Years?
If life had existed on Mars, what would be the signs we would look for? That's a very good question. The thing is that if you draw the parallel with Earth, it took 82% of Earth history to go from very simple life, microbial life, to complexity. So even though oxygen changes our signature today, what if all life on Earth died and now we fast forward a billion years,What would be the traces left?
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