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Siberia explosion in 1908

  1. Jun 29, 2009 #1


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    This got me wondering: If vapor can travel down so fast, can it also travel up at the same speed? Can other gases or particles be injected into or dejected from the atmosphere at this speed?
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Jul 3, 2009 #2


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    Sure. But there would have to be a fair amount of mass involved.

    Perhaps this volcanic eruption is the nearest thing.

    Stunning pictures of the volcano that blew a hole in the sky as astronauts witness eruption from International Space Station
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