The Earth gets 100 tons heavier every day due to falling space dust.
673
Only 55% of Americans know that the sun is a star.
986
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Venus is the only planet that rotates clockwise.
310
The earth is .02 degrees hotter during a full moon.
157