Arp 148, also known as Mayall's Object, is the result of two colliding galaxies located 500 million light years away within the constellation of Ursa Major. This collision resulted in a ring-shaped galaxy and a long-tailed companion. The shockwave effect produced from the collision first drew matter into the centre and then caused it to spew outwards in an expanding ring.
The object was discovered on 13 March 1940 by Nicholas U. Mayall of the Lick Observatory, using the Crossley reflector.
The object was discovered on 13 March 1940 by Nicholas U. Mayall of the Lick Observatory, using the Crossley reflector.
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