JWST finds distant galaxy with "impossible" light signature
bigthink.com
The Lyman-α emission line has never been seen earlier than 550 million years after the Big Bang. So why does JADES-GS-z13-1-LA have one?
  • quarrk [he/him]
    ·
    2 months ago

    Some published discussion on this from February 2024

    https://www.nature.com/articles/s41550-023-02179-3

    • quarrk [he/him]
      ·
      2 months ago

      tl;dr one hypothesis is that regions dense with objects can effectively clear out the interstellar medium that would otherwise block its light. According to this paper, all the observed Lyman alpha emissions are from objects with nearby companions