Why Dark Matter Matters
David Kaiser knows the universe is hiding something enormous – and no one can see it. Dark matter appears to be all over our universe, but what is it? As a physicist and science historian, David joins Hakeem to discuss one of astrophysics most impossible puzzles. Nearly a century of observations - from the motion of galaxy clusters to the rotation of individual galaxies to the subtle patterns in the cosmic microwave background - has built a remarkably consistent case that most of the matter in the universe is invisible to us. Kaiser and Hakeem work through how that evidence accumulated, why…
The skinny
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