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
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The heart of an astronaut actually gets smaller when in outer space.
216
The light hitting the earth right now is 30 thousand years old.
163
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Only 55% of Americans know that the sun is a star.
986
There are two golf balls sitting on the moon.
721