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The Whirlpool Galaxy, also known as Messier 51a (M51a) or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. [ 6 ] [ 7 ] [ 8 ] It lies in the constellation Canes Venatici , and was the first galaxy to be classified as a spiral galaxy. [ 9 ]
NGC 5195 (also known as Messier 51b or M51b) is a dwarf galaxy that is interacting with the Whirlpool Galaxy (also known as M51a or NGC 5194). Both galaxies are located approximately 25 million light-years away in the constellation Canes Venatici .
The M51 Group is a group of galaxies located in Canes Venatici.The group is named after the brightest galaxy in the group, the Whirlpool Galaxy (M51A). Other notable members include the companion galaxy to the Whirlpool Galaxy and the Sunflower Galaxy (M63).
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Jan Luyken: the invitation, Bowyer Bible. Jan Luyken: the man without a wedding garment, Bowyer Bible. The Parable of the Great Banquet or the Wedding Feast or the Marriage of the King's Son is a parable told by Jesus in the New Testament, found in Matthew 22:1–14 [1] and Luke 14:15–24. [2]
A preliminary version of the catalogue first appeared in 1774 in the Memoirs of the French Academy of Sciences for the year 1771. [3] [4] [5] The first version of Messier's catalogue contained 45 objects, which were not numbered. Eighteen of the objects were discovered by Messier; the rest had been previously observed by other astronomers. [6]
The interiors of Messier and Messier A have a higher albedo than the surrounding mare. There is also a dark streak in the center of each crater. Two prominent, nearly linear rays extend westwards from the rim of Messier A, continuing over 100 kilometers towards the west edge of Mare Fecunditatis. The mare surface around the craters is also ...