Comments by "N Marbletoe" (@nmarbletoe8210) on "Alex Filippenko: Supernovae, Dark Energy, Aliens u0026 the Expanding Universe | Lex Fridman Podcast #137" video.

  1. yes and no. the expansion of space does not have a speed exactly; it has a speed per unit distance.
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  2. Sure, if you can gas up at the station 250 billion light years away, there's plenty, as long as they don't use it up before you get there
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  3.  @smellyfishboy  The point being, that the total energy is irrelevant. When there is no more usable energy in a typical region of the universe, the call it "heat death"
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  4. there might have been many geneses on earth
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  5.  @BogeyBrothas  yes, that seems true, but there could have been others that left no trace that we have so far found
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