If dark matter is made up of particles that interact only weakly - TopicsExpress



          

If dark matter is made up of particles that interact only weakly with each other, then your best chance to see signatures of those interactions is in places where the concentration of dark matter is highest - like the centers of galaxies. NASAs Fermi observatory has detected an excess of gamma rays in the center of our galaxy that is consistent with what youd expect when dark matter particles collide and annihilate.
Posted on: Fri, 04 Apr 2014 15:30:44 +0000

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