Galaxy Structure
Myth vs Reality: What Makes Up Galaxies
This short video addresses the misconception that galaxies are only made up of stars.
Galaxy Structure: Video Segments
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Credits
Galaxy Structure
Produced by the Space Telescope Science Institute’s Office of Public Outreach.
All images, illustrations, and videos courtesy of NASA, ESA, and STScI except:
· NGC 6822 image courtesy of the Local Group Galaxies Survey Team/NOAO/AURA/NSF
· Taurus constellation drawing from Firmamentum Sobiescianum sive Uranographia by Johannes Hevelius, courtesy of the United States Naval Observatory
· NGC 4565 image courtesy of the European Southern Observatory
· Small Magellanic Cloud image courtesy of F. Winkler/Middlebury College, the MCELS Team, and NOAO/AURA/NSF
Written by Vanessa Thomas
Designed by John Godfrey
Music courtesy of Association Production Music
Transcript
(SPEECH)
[ELECTRONIC MUSIC]
(DESCRIPTION)
Top left, a black and white picture of a minotaur. Top right, a color picture of space.
Top left, a black and white picture of a minotaur. Top right, a color picture of space.
Text, MYTH versus REALITY
Myth side
Text, Galaxies are made only of stars.
Reality side
Text, Galaxies contain not just stars, but also planets; moons and other rocky and icy bodies; great clouds of gas and dust; and huge amounts of dark matter, all bound together by gravity.
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