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Bode's Galaxy, also known as M81 and NGC 3031, is a spiral galaxy located 12 million light years from Earth in the Ursa Major constellation. It was first discovered by Johann Elert Bode in 1774 and is named in his honour. Download high resolution version (1158x878, 1017 KB)Obtained from [1]. Photo credit: NASA/JPL-Caltech This article contains material and/or images that originally came from a NASA website. ...
The Hubble sequence is a classification of galaxy types developed by Edwin Hubble in 1936. ...
Right ascension (RA; symbol α: Greek letter alpha) is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. ...
In astronomy declination (dec) is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. ...
A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ...
The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ...
A sun is the star at the center of a solar system. ...
A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ...
In astronomy, absolute magnitude is the apparent magnitude, m, an object would have if it were at a standardized distance away. ...
The New General Catalogue (NGC) is the most well-known catalogue of deep sky objects in amateur astronomy. ...
This article is about a celestial body. ...
A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ...
Earth, also known as the Earth or Terra, is the third planet outward from the Sun. ...
Ursa Major is a constellation visible throughout the year in the northern hemisphere. ...
A constellation is a group of stars visibly related to each other in a particular configuration. ...
Johann Elert Bode Johann Elert Bode (January 19, 1747 – November 23, 1826) was a German astronomer known for his contribution to the Titius-Bode law and his works to determine the orbit of Uranus, for which he also suggested the name. ...
1774 was a common year starting on Saturday (see link for calendar). ...
M81 is believed to contain approximately 250 billion stars, making it slightly smaller than our own Milky Way galaxy. M81 is one of the most striking examples of a grand design spiral galaxy, with near perfect arms spiraling into the very center. The Pleiades star cluster A star is any massive gaseous body in outer space, just like the Sun. ...
This article is about the galaxy called the Milky Way. ...
M81 and its sister galaxy M82 are the most prominent members of the M81 Group of galaxies. They are easily visible in the same field of view of most telescopes. Messier object 82, the Cigar Galaxy. ...
The M81 group of galaxies (or simply the M81 group) is a physical group and a galaxy cluster. ...
It has an apparent magnitude of 6.93, making it one of the brightest known galaxies. Under exceptional viewing conditions and truly dark skies in a remote location far from light pollution, it can be seen with the naked eye. The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ...
Light pollution (also known as photopollution, luminous pollution) is excess or obtrusive light created by humans. ...
A naked eye is a figure of speech, referring to human eyes unaided by enhancing equipment such as a telescope or binoculars. ...
In 1993 a supernova of apparent magnitude 10.5 was observed in M81. 1993 is a common year starting on Friday of the Gregorian calendar and marked the Beginning of the International Decade to Combat Racism and Racial Discrimination (1993-2003). ...
Remnant of Keplers Supernova, SN 1604. ...
Related topics
The M81 group of galaxies (or simply the M81 group) is a physical group and a galaxy cluster. ...
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