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5min chapter
Does Dark Matter Exist? Stacy McGaugh (#284)
Into the Impossible With Brian Keating
The Rotation Curve of Andromeda
Stacy Bellini: I'm showing to the slides that you're watching on YouTube. This is a rotation curve. And the actual rotation is flat, where the sort of the normal matter predicts that declining rotation curve. The fundamental correlation seems to be between the mass both stars and gas but not any random measure. He says we can actually see those little dinky LSB galaxies fall on the same relation as big massive galaxies.Bellini: It really surprised me the extent to which these follow the rules I'm going to describe. Going over a lot of work I've worked on this a lot every time I think I'm done with it, it drives me back in.
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