Pinwheel Galaxy
The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy away from Earth in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 and was communicated that year to Charles Messier, who ...
Messier 101 #REDIRECT Pinwheel Galaxy 101
Messier 101 #REDIRECT Pinwheel Galaxy 101 101 may refer to:
* 101 (number), the number
* AD 101, a year in the 2nd century AD
* 101 BC, a year in the 2nd century BC
It may also refer to:
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