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2021-04-13: What If Dark Matter Is Just Black Holes?

  • 02:53: ... we’re going to go through the mass spectrum of black holes, and close one window after another - we’ll see at the ...
  • 05:37: We’ll begin with the extreme ends of the mass spectrum - those are easy.
  • 06:00: At the opposite end of the mass spectrum we have the black holes under a billion tons or around the mass of a small mountain.
  • 07:36: Ok, let’s move up the black hole mass spectrum to masses around that of a planet.
  • 10:37: We have some evidence ruling out most of the black hole mass spectrum as the main source of dark matter.
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