(M3)

Code: M3
Type: Globular Cluster
Constellation: Canes Venatici
Distance from the Sun: 33,300 light-years

Discovered in 1764 by Charles Messier, M3 is one of the most impressive globular clusters in the Milky Way.
It comprises more than half a million stars, bound together by gravity in a dense sphere of light nearly 12 billion years old.

Fun Fact: Despite its fame among astronomers, M3 doesn't have a proper name...