On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Venus is the only planet that rotates clockwise.
310
A comet's tail always points away from the sun.
2
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
If two pieces of metal touch in space, they become permanently stuck together.
808
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10