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If the Universe is expanding and each star moves away from each other, then how come that two galaxy collide? -- 195.228.39.215 14:06, 28 June 2007 (UTC)
Thank you very much, Dr. Submillimeter! I forgot about the gravity... :-) -- 195.228.39.215 14:52, 28 June 2007 (UTC)
Other Questions:
What is the luminosity of Perseus A?
How hot (estimated) is it?
Is blue the only color that is emitted from it?
How large is the galaxy? Including the HVS?
What does the galaxy tell us? What is its importance?
Creinke ( talk) 01:29, 20 April 2011 (UTC)creinke
Perseus A: Mysterious X-ray Signal Intrigues Astronomers Release Date June 24, 2014
This
level-5 vital article is rated Start-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||||||
|
If the Universe is expanding and each star moves away from each other, then how come that two galaxy collide? -- 195.228.39.215 14:06, 28 June 2007 (UTC)
Thank you very much, Dr. Submillimeter! I forgot about the gravity... :-) -- 195.228.39.215 14:52, 28 June 2007 (UTC)
Other Questions:
What is the luminosity of Perseus A?
How hot (estimated) is it?
Is blue the only color that is emitted from it?
How large is the galaxy? Including the HVS?
What does the galaxy tell us? What is its importance?
Creinke ( talk) 01:29, 20 April 2011 (UTC)creinke
Perseus A: Mysterious X-ray Signal Intrigues Astronomers Release Date June 24, 2014