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I Anthropic lower limit on cosmological constant

  1. Feb 29, 2016 #1

    bcrowell

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    Piran et al., "Cosmic explosions, life in the Universe and the Cosmological Constant," http://arxiv.org/abs/1508.01034

    I thought this was interesting. If I'm understanding correctly, the idea is that satellite galaxies such as the Magellanic Clouds have low metallicity, which causes them to host a lot of gamma-ray bursts. These GRBs are deadly to life in the main galaxy. Having a larger cosmological constant reduces the number of satellite galaxies that form, and therefore puts an anthropic lower limit on the cosmological principle.

    Of course this is all very speculative.
     
  2. jcsd
  3. Mar 6, 2016 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
     
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