The earth rotates more slowly on its axis in March than in September.
145
Only 55% of Americans know that the sun is a star.
986
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The light hitting the earth right now is 30 thousand years old.
163
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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 aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The heart of an astronaut actually gets smaller when in outer space.
216