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. Classification
Constellation In the Other Atlases
Credited To
Also in Science Atlas: credited with this subject.
Source Wikipedia (space and spaceflight articles)
In Constellation
Also in Divinity Atlas: the constellation this subject lies in.
Sources
1. Wikipedia (space and spaceflight articles)
Wikimedia FoundationTriangulum Galaxy, infobox (Observation history)Quote, Triangulum Galaxy, infobox (Observation history)
Probably discovered by Giovanni Battista Hodierna before 1654; independently discovered by Charles Messier on August 25-26, 1764
Triangulum Galaxy (Wikipedia)
Triangulum Galaxy, lead section
a spiral galaxy 2.878 million light-years (ly) from Earth
Triangulum Galaxy, Wikipedia - lead section, catalogue classification
It is catalogued as Messier 33 or NGC 598. With the D25 isophotal diameter of 18.74 kiloparsecs (61,100 light-years), the Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky Way.
Triangulum Galaxy, Wikipedia - lead section, constellation
The Triangulum Galaxy is a spiral galaxy 2.878 million light-years (ly) from Earth in the constellation Triangulum.
- In Group: Spiral Galaxies, infobox 'type' field: SA(s)cd (NED classification, de Vaucouleurs system) filed under Spiral Galaxies
- In Category: Celestial Objects, Triangulum Galaxy, Wikipedia summary
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