Celestial Objects
Triangulum Galaxy
Spiral Galaxy
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The Triangulum Galaxy is a spiral galaxy about 2.88 million light-years from Earth in the constellation Triangulum, probably first recorded by Giovanni Battista Hodierna before 1654 and independently discovered by Charles Messier in 1764.
Facts
Discovery YearThe infobox's own observation history also credits Giovanni Battista Hodierna with probably observing the galaxy before 1654, an imprecise date; 1764 is Charles Messier's own precisely dated independent discovery, recorded here as the identifying year. Sources
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