The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The earth travels through space at 660,000 miles per hour.
189
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115