What is M31?
Correct answer: The Messier designation for the Andromeda Galaxy
pitbulmom71
cool question
Player #1137636
And..... it's on a collision course w/our galaxy. But, not for 100 million(billions?) of years.
ngc1952
M31 also has two other Messier objects in the same field of view, M32 and M110. Two satellite galaxies that are associated with the Andromeda galaxy. A beautiful sight.
Andrew
was about the only answer that seemed to make sense
Bob
It was the only answer that fit the category.
GreatPhantom688
Player #1137636, When it happens its going to be messy.