Arp 220
Videos
Arp 220 is the result of a collision between two galaxies which are now in the process of merging. It is the 220th object in Halton Arp's Atlas of Peculiar Galaxies.
Wider angle (2.4′ ) view by Hubble Space Telescope
Compound view shows an ALMA Band 5 image of the colliding galaxy system Arp 220.
Atlas of Peculiar Galaxies
Videos
The Atlas of Peculiar Galaxies is a catalog of peculiar galaxies produced by Halton Arp in 1966. A total of 338 galaxies are presented in the atlas, which was originally published in 1966 by the Calif
Arp 220
…Arp 220 is the result of a collision between two galaxies which are now in the process of merging. It is the 220th object in Halton Arp's Atlas of Peculiar Galaxies. Arp 220 is the closest ultraluminous infrared galaxy (ULIRG) to Earth, at 250 million light years away. Its energy output was discovered by IRAS to…
The Antennae Galaxies (Arp 244)
Colliding spiral galaxy pair NGC 3808A and NGC 3808B (Arp 87).
NGC 6621/NGC 6622 (Arp 81), a pair of spiral galaxies 100 million years after their colliding.
IC 883 (Arp 193), remnant of two galaxies' merger.