Why couldn’t the astronaut book a room on the moon? Because it was full.

How do astronauts serve dinner? On flying saucers.

When people run round in circles we say they’re crazy. When planets do it, we say they’re orbiting.

When do astronauts eat their lunch? At launch time.

Why does NASA believe there might be life on Mars? The CD player was stolen from their Mars rover.

Star light, star bright
First star I see tonight
I wish I may, I wish I might
Oh wait, it's just a satellite

How many astronomers does it take to change a light bulb? None, astronomers aren't scared of the dark.

How far can you see on a clear day? 150 million kilometres, from here to the Sun.

While living on Earth might be a little expensive, at least you get a free trip around the Sun every year.

What do you think of that new restaurant on the moon? The food’s great but it has no atmosphere.