Astronomy Jokes

Are you an exoplanet? Because I’m bad at astronomy and pick up lines.
My wife says she’s leaving me because she thinks I’m too obsessed with astronomy.
What planet is she on!
My wife says she’s leaving me because she thinks I’m too obsessed with astronomy.
What planet is she on?!
What do you call a clock on the moon?
A lunartick.
I thought about studying the astronomy for my university. But then I thought, I would just be taking up space.