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Explanation: ESO202-G23 is a colorful mess. It is a collision between two galaxies taking place over hundreds of millions of years. The representative colors give astronomers some idea of what is going on. Visible in this jumble is an active nucleus spewing ultraviolet radiation which lights up surrounding gas (blue); galactic arms contorted by the gravity of the collision (green); a star forming complex left of center (blue); and dust (red). In billions of years this mess might settle into a relatively normal looking galaxy.
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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 - merging galaxies
Publications with words: colliding galaxies - merging galaxies
See also:
- APOD: 2024 July 30 Á Arp 142: Interacting Galaxies from Webb
- APOD: 2023 October 24 Á Arp 87: Merging Galaxies from Hubble
- APOD: 2023 September 25 Á Arp 142: The Hummingbird Galaxy
- Arp 93: A Cosmic Embrace
- Galaxies in the River
- APOD: 2023 January 23 Á The Colliding Spiral Galaxies of Arp 274
- Galaxy Wars: M81 and M82