I love the way the earth rotates. It really makes my day.
How do you organize a space party? You planet.
What did the earth say to the other planets? "Wow, you guys have no life."
What type of currency do they use in space? Starbucks.
How do you put a space alien to sleep? You rocket.
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Time for an inspirational space pun:
You're living, you occupy space, and you have mass. You know what that means?
You matter.