I Zwicky 18

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I Zwicky 18 is a blue compact dwarf and Wolf–Rayet galaxy located about 18.44 megaparsecs (60.14 million light-years) away in the constellation Ursa Major. The galaxy was first identified by Swiss astronomer Fritz Zwicky in a 1930s photographic survey of galaxies. It also possesses an active galactic nucleus.

Excerpt from the Wikipedia article “I Zwicky 18”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: NASA, ESA, and A. Aloisi (Space Telescope Science Institute and European Space Agency, Baltimore, Md.), Public domain, via Wikimedia Commons.