Hoag's Object
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Hoag's Object is an unusual ring galaxy in the constellation of Serpens Caput. It is named after Arthur Hoag, who discovered it in 1950 and identified it as either a planetary nebula or a peculiar gal
Hoag's Object, taken by the Hubble Space Telescope in July 2001
Ring galaxy
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A ring galaxy is a type of galaxy that includes a large annular structure. The galactic center may be relatively separate from the ring structure, or present a continuous disc shape. Hoag's Object, di
Hoag's Object
…Hoag's Object is an unusual ring galaxy in the constellation of Serpens Caput. It is named after Arthur Hoag, who discovered it in 1950 and identified it as either a planetary nebula or a…
Vela ring galaxy, and a bright star known as HD 88170.
Ring Galaxy - II Zwicky 28
Image of AM 0644-741 by the Hubble Space Telescope (HST)