Why are astronomers so popular with the ladies?
Chicks dig stars.
What did the astronomer say to the telescope in lingerie?
What do you get when astronomers play tic-tac-toe?
Exoplanets Thought that one up myself.
How do astronomers plan a party?
Why did the astronomer hit himself on the head in the afternoon?
He wanted to see stars during the day.
What is an astronomer?
A night watchman with a college education.
Why did the astronomer break up with his girlfriend?
He just needed some space.
What do astronomers do when they have nowhere else to turn?
They default in our stars