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The Whirlpool Galaxy lies at a distance of 23 [2] to 31 million light-years from Earth. [18] Based on the 1991 measurement by the Third Reference Catalogue of Bright Galaxies using the D 25 isophote at the B-band, the Whirlpool Galaxy has a diameter of 23.58 kiloparsecs (76,900 light-years). [2] [5] Overall the galaxy is about 88% the size of ...
SN 1994I is a Type Ic supernova discovered on April 2, 1994 in the Whirlpool Galaxy by amateur astronomers Tim Puckett and Jerry Armstrong of the Atlanta Astronomy Club.Type Ic supernova are a rare type of supernova that result from the explosion of a very massive star that has shed its outer layers of hydrogen and helium.
BX442 (Q2343-BX442 [1]) is a grand design spiral galaxy of type Sc. [1] It has a companion dwarf galaxy.It is the most distant known grand design spiral galaxy in the universe, with a redshift of z=2.1765 ± 0.0001. [1]
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).
One of the more significant galaxies in Canes Venatici is the Whirlpool Galaxy (M51, NGC 5194) and NGC 5195, a small barred spiral galaxy that is seen face-on. This was the first galaxy recognised as having a spiral structure, this structure being first observed by Lord Rosse in 1845. [ 12 ]
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The most famous of these objects is the Whirlpool Galaxy (M51; Arp 85), which is composed of a spiral galaxy NGC 5194 that is interacting with a smaller elliptical galaxy NGC 5195. The interaction has distorted the shape of both galaxies; the spiral arm pattern has been enhanced in the larger spiral galaxy, and a bridge of stars and gas has ...
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