Sep 10, 2022
A sneaky interloper behind our galaxy’s center complicates the search for dark matter
Posted by Atanas Atanasov 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.