Mayall's Object [SEP] constellation
Mayall's Object
Mayall's Object (also classified under the Atlas of Peculiar Galaxies as Arp 148) is the result of two colliding galaxies located 500 million light years away within the constellation of Ursa Major. It was discovered by American astronomer Nicholas U. Mayall of the Lick Observatory on 13 March 1940, using the Crossley reflector. When first discovered, Mayall's Object was described as a peculiar nebula, shaped like a question mark. Originally theorized to represent a galaxy reacting with the intergalactic medium, it is now thought to
's Lens is a lensed galaxy.
- Komossa's object is a galaxy in which the supermassive black hole disrupted a star.
- Maffei 1 is an elliptical galaxy in the constellation Cassiopeia and the closest giant elliptical galaxy to the Milky Way.
- Maffei 2 is a spiral galaxy about 10 million light-years away in the constellation Cassiopeia.
- Malin 1 is one of the largest spiral galaxies known and is the archetypal Low Surface Brightness galaxy
- Mayall's Object
- Willman 1 is an ultra