More than 20 million meteoroids enter Earth's atmosphere every day.
139
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The earth travels through space at 660,000 miles per hour.
189
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
It takes eight and a half minutes for light to get from the sun to earth.
159
41% of the moon is not visible from earth at any time.
103
Earth is the only planet in our solar system that's not named after a god or goddess.
17
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88