Jupiter is bigger than all the other planets combined.
254
Pluto is smaller than Russia.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Earth is the only planet in our solar system that's not named after a god or goddess.
17
If two pieces of metal touch in space, they become permanently stuck together.
808
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
More than 20 million meteoroids enter Earth's atmosphere every day.
139