The Earth gets 100 tons heavier every day due to falling space dust.
673
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
41% of the moon is not visible from earth at any time.
103
Pluto is smaller than Russia.
9
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
Some asteroids have other asteroids orbiting them.
131
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221