Sound doesn't travel in space.
255
The earth rotates more slowly on its axis in March than in September.
145
The Earth gets 100 tons heavier every day due to falling space dust.
673
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Only 55% of Americans know that the sun is a star.
986