Dark Matter Exists. Here’s how we know


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Dark Matter Exists. Here’s how we know

Dark Matter Exists. Here’s how we know

Dark matter is 84% of the matter in the universe and it single-handedly explains a lot of stuff: cluster motion, galactic rotation, gravitational lensing, and the CMB. We have piles of irrefutable evidence. Let’s go through it, shall we.

00:00 Cold Open
00:39 Fritz Zwicky
01:48 HR Diagrams
02:55 Doppler Redshift
04:02 Virial Theorem
04:33 Zwicky was wrong
05:37 21 cm Hydrogen Line
06:44 X-Ray Astronomy
07:31 Vera Rubin
08:39 Rotation Curves
10:21 Gravitational Lensing
10:52 Bullet Cluster
12:19 Cosmic Micowave Background
13:54 Summary


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