M51 is a galaxy in Canes Venatici, though it's easily found just off the last star in the handle of the Big Dipper. It is a grand design spiral that is interacting with a nearby smaller galaxy.

@evilscientistca is it true that even though galaxies sometimes collide, individual stars rarely do because they are so far apart?

@evilscientistca @highfellow

Hum... I guess the universe is so big that what is "rare" might occur pretty often anyway...

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