![Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 82 The Mass Density of the Universe [digital video]. 的封面图片](/custom/web/no_img_alt.png "Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 82 The Mass Density of the Universe [digital video]. 的封面图片")
Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 82 The Mass Density of the Universe [digital video].
题名:
Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 82 The Mass Density of the Universe [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) (32 minutes): digital, .flv file, sound
摘要:
This lecture explores methods used by astronomers to determine the mass density and expansion history of the Universe. To make this measurement, a race developed between two teams of astronomers searching for Type Ia supernovae in distant galaxies.
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
