One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
41% of the moon is not visible from earth at any time.
103
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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