Introduction to Astronomy, Allegheny College, 17 April 2020
- APOD: The Matter of the Bullet Cluster @ 0:00:16
Chapter 18: Dark Matter, Dark Energy, and the Fate of the Universe @ 0:02:05
- Section 18.1. Unseen Influences in the Cosmos @ 0:02:33
---Thought Question @ 0:03:50
- Section 18.2. Evidence for Dark Matter, Rotation Curves @ 0:04:53
---Rotation Curve of Milky Way @ 0:06:33
---Mass of Milky Way @ 0:12:12
---Vera Rubin and the rotation curves of spiral galaxies @ 0:12:46
---Thought Question @ 0:15:47
---Dark Matter in Elliptical Galaxies @ 0:17:14
---Dark Matter in Clusters of Galaxies @ 0:19:04
---Dark Matter inferred by X-ray emitting gas between galaxies @ 0:20:54
---Dark Matter inferred by gravitational lensing @ 0:22:50
---Thought Question @ 0:25:33
---Summary of evidence for existence of dark matter @ 0:27:02
---Dark Matter from observations of colliding galaxy clusters @ 0:27:28
---Does Dark Matter really exist? @ 0:30:08
---What might dark matter be made of? (WIMPS) @ 0:30:53
- The Summer Triangle @ 0:34:22
Textbook = The Essential Cosmic Perspective (7th edition) by Bennett et al.: [ Ссылка ]... These lecture slides are modified versions of ones provided to instructors by the publisher, Pearson. Thank you to the Pearson for granting permission to use their figures in these lecture videos posted to YouTube.
