Why dont astronauts keep their jobs very long? Because as soon as they start they get fired.
Why dont astronauts get hungry after being blasted into space? Because theyve just had a big launch.
Why didnt the astronauts stay on the moon? Because it was a full moon and there was no room.
Why did the boy become an astronaut? Because he was told he was no earthly good.
Why did the boy become an astronaut? Because he was no earthly good!
Why did the alien phone home on his mobile? Because it was so ET!
Why are astronauts successful people? Because they always go up in the world!
Which astronaut wears the biggest helmet? The one with the biggest head.
Where do Martians drink beer? At a mars bar!
Where do astronauts leave their spaceships? At parking meteors!