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
The earth is .02 degrees hotter during a full moon.
157
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The light hitting the earth right now is 30 thousand years old.
163
There are two golf balls sitting on the moon.
721
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14