Why is it so hard to make a party on Earth?
Because you need to planet.
What is blue, green, flat, and has teeth?
The Earth, but I lied about the teeth.
Astronomers got tired of watching the moon rotate around the earth for 24 hours, so they just called it a "day".
For one of the most highly regarded minds on the planet, it is a shame he could not create a longer-lasting battery.
You never told me you were part orangutan. Have you considered taking a vacation to Planet of the Apes?
Chuck Norris has been to Mars... that's why there are no signs of life there.
What do you call a planet that poops? Uranus.
Your mama's so fat, scientists found a new planet called Heranus.
What did the neutrino say to the planet?
"Just passing through."
What did Earth say to the other planets?
"You guys have no life!"
How does NASA organize a party? -- They planet.
