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- Title
Astrophysics: Hidden chaos in cosmic order.
- Authors
Gnedin, Nickolay Y.
- Abstract
The article discusses several facts about the history of Andromeda galaxy. The author notes that it is a sister and a neighbor galaxy of the Milky Way and they both coexist in an otherwise rather undistinguished corner of the cosmos. He asserts that they comprised with about 100 billion stars each and surrounded by around 50 satellite galaxies that range from small to truly tiny. He states that they are far enough apart that their gravitational forces do not disturb each other. He adds that Andromeda's massive gravity caused tides in Triangulum so enormous that millions of stars were hurled beyond Triangulum's edge.
- Subjects
ANDROMEDA Galaxy; MILKY Way; STARS; GRAVITATION; COSMOS satellites; SPIRAL galaxies; TRIANGULUM Galaxy; GALAXIES; ASTRONOMY
- Publication
Nature, 2009, Vol 461, Issue 7260, p43
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/461043a