Does Dark Matter Exist? Stacy McGaugh (#284)
Into the Impossible With Brian Keating
00:00
The Rotation Curves of a Whole Lot of Galaxies
There's a big difference in the concentration of stars. And so what you get does follow from what you see just not in the way that you can predict. The quantity again that really seems to matter is the acceleration. So if it were one to one, it would just be that dashed line. That excess in velocity shows up as an excess in acceleration. But the remarkable thing is that these very different galaxies end up following very much the same line in this acceleration plane.
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