This galaxy is more well-known as the Whirlpool Galaxy [1]. And a lot easier to google that way, avoiding confusion with the Samsung Galaxy M51 smartphone. Als

This galaxy is more well-known as the Whirlpool Galaxy [1]. And a lot easier to google that way, avoiding confusion with the Samsung Galaxy M51 smartphone. Also nice to see Wikipedia state its mass in familiar terms: > Its mass is estimated to be 160 billion solar masses, or around 10.3% of the mass of Milky Way Galaxy. [1] https://en.wikipedia.org/wiki/Whirlpool_Galaxy https://en.wikipedia.org/wiki/Whirlpool_Galaxy