Pinwheel Galaxy [SEP] discoverer or inventor
Pinwheel Galaxy
The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy distanced 21 million light-years (six megaparsecs) away from Earth in the constellation Ursa Major. Discovered by Pierre Méchain on March 27, 1781, it was communicated to Charles Messier who verified its position for inclusion in the "Messier Catalogue" as one of its final entries.
On February 28, 2006, NASA and the European Space Agency released a very detailed image of the Pinwheel
Pinwheel Galaxy (disambiguation)
Pinwheel Galaxy may refer to:
- Messier 101, a galaxy referred to as the Pinwheel Galaxy
- Messier 83, a galaxy referred to as the Southern Pinwheel Galaxy
- Triangulum Galaxy (Messier 33), a galaxy sometimes referred to as the Pinwheel Galaxy
- Messier 99, a galaxy also referred to as the Coma Pinwheel Galaxy