Sound doesn't travel in space.
255
Some asteroids have other asteroids orbiting them.
131
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Jupiter is bigger than all the other planets combined.
254
Astronauts get taller when they are in space.
224
Venus is the only planet that rotates clockwise.
310