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Explanation: What are four closely grouped galaxies doing in this image? The grouping composes a majority of the large galaxies in Stephan's Quintet, with the fifth prominent galaxy located off the above image to the lower right. Three of these four galaxies show nearly the same redshift, indicating that they reside at the same distance from us. These three galaxies are in the midst a titanic collision, each ripping the others apart with gravitational tidal forces. The large bluish spiral below and left of center is a foreground galaxy much closer than the others and hence not involved in the cosmic battle. Most of Stephan's Quintet lies about 300 million light-years away towards the constellation of Pegasus.
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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 - Stephan's Quintet
Publications with words: colliding galaxies - Stephan's Quintet
See also:
- APOD: 2024 July 30 B Arp 142: Interacting Galaxies from Webb
- APOD: 2023 September 25 B Arp 142: The Hummingbird Galaxy
- APOD: 2023 January 23 B The Colliding Spiral Galaxies of Arp 274
- Galaxy Wars: M81 and M82
- Stephans Quintet from Webb, Hubble, and Subaru
- NGC 1316: After Galaxies Collide
- Stephan s Quintet