#MessierMonday no. 101

This week’s #MessierMonday is M101, aka the Pinwheel Galaxy. It’s a spiral galaxy located in the constellation Ursa Major.
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Credits: NASA, ESA, K. Kuntz, F. Bresolin, J. Trauger, J. Mould, Y.-H. Chu, STScI, J.-C. Cuillandre, G. Jacoby, B. Bohannan, M. Hanna/NOAO/AURA/NSF pic.twitter.com/QiI0UQ74lj

— Dr Clare Turner (@DrMathsPhysics) November 29, 2021