Ask Astro: Could isolated black holes be dark matter?

Can isolated black holes account for dark matter? Rick PinsonLong Beach, California Astronomers estimate about 100 million black holes wander the Milky Way. Since black holes emit no light, we rely on indirect methods to infer their presence. The first method is to search for a black hole’s gravitational influence on nearby objects, such asContinue reading “Ask Astro: Could isolated black holes be dark matter?”
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