Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
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
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Only 55% of Americans know that the sun is a star.
986
The earth travels through space at 660,000 miles per hour.
189
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14