A Big Cosmological Mystery

Discovery of a second ultra-large structure in distant space further challenges what we understand about the universe.

  • jaschen@lemmynsfw.com
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    10 months ago

    Please ELi5.

    I would like to understand why this couldn’t be just a random grouping of galaxies. Why would this be considered a megastructure when it could just be a coincidence that their grouped this way.