This is a picture of the Arp 78 galaxy taken by the Gemini North telescope on the island of Hawaii.
Gemini North telescope dome on the summit of Mauna Kea, Hawaii, USA. This 8-metre optical/infrared telescope was completed in 1999. Gemini North’s twin telescope, Gemini South is located in Cerro Pachon, Chile. Together, the two telescopes give coverage of virtually the entire night sky. The Canada-France-Hawaii telescope (CFHT) is seen in the background. The Milky Way, a band of stars in the night sky that is a view of our own spiral galaxy from the inside, is at top left.
Arp 78 is a peculiar spiral galaxy in the constellation Aries.
Peculiar galaxies are galaxies that change shape and size due to the gravitational pull of other galaxies.
The name Arp is derived from the name of the astronomer Halton Arp. In 1966, he published a catalog of atlas of peculiar galaxies, including 338 mutated galaxies.
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