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Дата изменения: Sun Feb 1 19:52:16 2015
Дата индексирования: Sun Apr 10 13:06:28 2016
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NGC 4676: When Mice Collide
Astronomy Picture of the Day
    


NGC 4676: When Mice Collide
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NGC 4676: When Mice Collide
Credit & Copyright: ACS Science & Engineering Team, Hubble Space Telescope, NASA
Explanation: These two mighty galaxies are pulling each other apart. Known as the "Mice" because they have such long tails, each spiral galaxy has likely already passed through the other. The long tails are created by the relative difference between gravitational pulls on the near and far parts of each galaxy. Because the distances are so large, the cosmic interaction takes place in slow motion -- over hundreds of millions of years. NGC 4676 lies about 300 million light-years away toward the constellation of Bernice's Hair (Coma Berenices) and are likely members of the Coma Cluster of Galaxies. The above picture was taken with the Hubble Space Telescope's Advanced Camera for Surveys in 2002. These galactic mice will probably collide again and again over the next billion years until they coalesce to form a single galaxy.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Based on Astronomy Picture Of the Day

Publications with keywords: colliding galaxies
Publications with words: colliding galaxies
See also:
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