Sound doesn't travel in space.
255
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The sun is 330,330 times larger than the earth!
190
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