A comet's tail always points away from the sun.
2
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
If two pieces of metal touch in space, they become permanently stuck together.
808
NASA invented baby food as we know it today.
7
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4