The light hitting the earth right now is 30 thousand years old.
163
Pluto is smaller than Russia.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
A comet's tail always points away from the sun.
2
Lightning strikes about 6,000 times per minute on this planet!
158
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
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
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115