Encyclopedia: IZW...
Encyclopedia : I : IZ : IZW (1 articles)
I Zwicky 18Hubble Space Telescope image of galaxy I Zwicky 18 I Zwicky 18 is a galaxy 45 million light years away. It is named after Swiss astronomer Fritz Zwicky, who first photographed it in the 1930s. I Zwicky 18 is 500 million years old, which makes it practically an infant (by comparison, most gal..
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