![Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 69 Other Galaxies-"Island Universes" [digital video]. 的封面图片](/client/assets/5.523.17/ctx//client/images/no_image.png "Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 69 Other Galaxies-\"Island Universes\" [digital video]. 的封面图片")
题名:
Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 69 Other Galaxies-"Island Universes" [digital video].
附加著者:
PUBDATE:
2007
2025
GVPL_PUBLICATION_INFO:
The Great Courses, 2007.
[San Francisco, California, USA] : Kanopy Streaming, 2025.
物理描述:
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
摘要:
The discovery of other galaxies beyond the Milky Way was one of the great scientific detective stories of the early 20th century. Astronomers now know that there are hundreds of billions of galaxies, spanning billions of light years of space.
一般注释:
Title from title frames.
Film
GVPL_PERFORMER:
Alex Filippenko
GVPL_BIBLIO_538:
Mode of access: World Wide Web.
LANGUAGE:
英文
