Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Summer on Uranus lasts for 21 years.
358
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
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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Lightning strikes about 6,000 times per minute on this planet!
158