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Astronomy

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    $\begingroup$ The energy of the collision could not exceed all the stars in the universe. The power might, because power is energy divided by time, so if you release enough energy in a short enough time you can get enormous power. $\endgroup$
    – Ross Millikan
    Commented Oct 6, 2020 at 2:58
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    $\begingroup$ It isn't the collision that generates the alleged gravitational waves. The waves are apparently emitted before the collision, as the two bodies swirl around each other. $\endgroup$
    – White Prime
    Commented Oct 6, 2020 at 6:40
  • $\begingroup$ Thank you, @WhitePrime, pls feel free to edit the question accordingly. $\endgroup$
    – Jan Stuller
    Commented Oct 6, 2020 at 6:53
  • $\begingroup$ Thank you, @RossMillikan, also please feel free to edit the question to make it more accurate. $\endgroup$
    – Jan Stuller
    Commented Oct 6, 2020 at 6:54
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    $\begingroup$ "Am I right to assume that being compressed by even 1 millimeter would probably be lethal for all live on Earth?" I don't think so. What does it mean for something to be "compressed" in that sense? LIGO measures a distance through empty space, but anything solid would not feel much more than not-irresistible slight tidal force that wouldn't affect it much. The electromagnetic forces holding "the thing" together are much stronger. $\endgroup$
    – David Tonhofer
    Commented Oct 6, 2020 at 20:42