which pun is the best?

which pun is the best?

Poll assigned to board: Jest for Puns

I've been reading Stephen Hawking's latest book about the theory of anti-gravity. I just can't put it down (24%)
How do you get a baby astronaut to go to sleep? Rocket (24%)
I looked around gold token and couldn't find any squirrels. They all went to NASA looking for astro-nuts (18%)
How do you know when the moon is going broke? When it’s down to its last quarter (12%)
How do you get clean in outer space? You take a meteor shower (12%)
What is money called in space? Star bucks (12%)
What do you call a bacon-wrapped comet? A meat-eor! (0%)

Votes: 17