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Thread: Makeup of neutrinos

  1. #1
    Join Date
    May 2004
    Posts
    2,184

    Makeup of neutrinos

    What percentage of the universe's neutrinos are made from radioactive decay?
    What percentage by stellar "burning?
    How about supernovae?
    And from the Big Bang?
    Any other sources?
    SHARKS (crossed out) MONGEESE (sic) WITH FRICKIN' LASER BEAMS ATTACHED TO THEIR HEADS

  2. #2
    Join Date
    Jul 2005
    Posts
    20,792
    In terms of the Universe's energy inventory, most of the neutrino energy is left over from the Big Bang. The various stellar sources contribute a couple of orders of magnitude less than that.
    See The Cosmic Energy Inventory.

    Grant Hutchison

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