Sep 10, 2022

A sneaky interloper behind our galaxy’s center complicates the search for dark matter

Posted by in category: cosmology

Well, not so fast.

Crocker’s paper, published Monday in the journal Nature Astronomy, argues that this “substructure” doesn’t belong to the Fermi bubble at all but instead a satellite galaxy behind the bubble (from our galactic perspective) called the Dwarf Sagittarius Spheroidal Galaxy, or Sagittarius dSph.

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