Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
There are two golf balls sitting on the moon.
721
The Earth gets 100 tons heavier every day due to falling space dust.
673