The Triangulum Galaxy, also informally known as the Pinwheel Galaxy, is a spiral galaxy 2.7 million light-years from Earth ...

Also known as Messier 83, the galaxy is bright enough that it can even ... but which is located in a different area of the sky — 110 million light-years away in the constellation of Ursa Major.

The Swelling Spiral galaxy (also known as Messier 61 or NGC 4303 ... in the band of 3 mm (73–110 GHz)," the researchers explain. The observations investigated the central region (within a ...