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2017-05-31: The Fate of the First Stars

  • 05:58: Now, for that collapse to proceed, the pull of gravity needs to overcome the cloud's own internal thermal pressure.
  • 06:58: Unimpeded by pesky thermal pressure, the cloud collapses quickly.
  • 07:11: This occurs until whatever weak thermal pressure remains can halt the free falling gas.
  • 07:31: Thermal pressure kicks in much earlier to slow the collapse, before much of the fragmentation happens.
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