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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 ...
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. Together, the two galaxies are one of the most famous interacting galaxy pairs.
This is a list of known galaxies within 3.8 megaparsecs (12.4 million light-years) of the Solar System, in ascending order of heliocentric distance, or the distance to the Sun. This encompasses about 50 major Local Group galaxies, and some that are members of neighboring galaxy groups , the M81 Group and the Centaurus A/M83 Group , and some ...
Pinwheel Galaxy: 1.8 × 10 21 meters 170,000 light years 1.7 × 10 21 meters Whirlpool Galaxy — 180,000 light years 1.8 × 10 21 meters NGC 1232: 2 × 10 21 meters 220,000 light years 2.2 × 10 21 meters Virgo A: 2.5 × 10 21 meters 250,000 light years 2.5 × 10 21 meters Tadpole Galaxy — 300,000 light years 3 × 10 21 meters Distance Earth ...
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.
The arms of spiral galaxies often have the shape of a logarithmic spiral, here the Whirlpool Galaxy Cutaway of a nautilus shell showing the chambers arranged in an approximately logarithmic spiral. The plotted spiral (dashed blue curve) is based on growth rate parameter b = 0.1759 {\displaystyle b=0.1759} , resulting in a pitch of arctan b ...
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SN 2005cs was a supernova in the spiral galaxy M51, [3] known as the Whirlpool Galaxy. It was a type II-P core-collapse supernova, discovered June 28, 2005 by Wolfgang Kloehr, a German amateur astronomer. [5] The event was positioned at an offset of 15″ west and 78″ south of the galactic nucleus of M51. [2]