Some asteroids have other asteroids orbiting them.
131
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Astronauts get taller when they are in space.
224
Jupiter is bigger than all the other planets combined.
254
It 'snows' metal on Venus.
13
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
A comet's tail always points away from the sun.
2
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219