The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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
Buzz Aldrin’s mother’s maiden name was Moon.
9
A comet's tail always points away from the sun.
2
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115