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DARK MATTER
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DARK MATTER. What is Dark Matter?. Not “not-bright” matter Makes up ~85-90% of the mass in the universe W eakly I nteracting M assive P articles DM only talks to itself and normal matter via gravity So how do we know its there?…. Rotation Curves.
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DARK MATTER
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What is Dark Matter? • Not “not-bright” matter • Makes up ~85-90% of the mass in the universe • Weakly Interacting Massive Particles • DM only talks to itself and normal matter via gravity • So how do we know its there?…
Rotation Curves • Use the circular velocity of stars to measure the mass inside
A Mess… Grow a supermassive Black hole at the center
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