![Cover image for Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 70 The Dark Side of Matter [digital video].](/client/assets/5.523.17/ctx//client/images/no_image.png "Cover image for Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 70 The Dark Side of Matter [digital video].")
Title:
Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 70 The Dark Side of Matter [digital video].
Added Author:
Series:
Publication Date:
2007
2025
Publication Information:
The Great Courses, 2007.
[San Francisco, California, USA] : Kanopy Streaming, 2025.
Physical Description:
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Abstract:
Until a few decades ago, astronomers thought that galaxies were composed primarily of stars. There is now strong evidence that most of the mass of galaxies may be invisible dark matter. Clusters of galaxies are also dominated by dark matter.
General Note:
Title from title frames.
Film
Performers:
Alex Filippenko
Technical Details:
Mode of access: World Wide Web.
Language:
English
Electronic Access:
Access immediately on Kanopy
