The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Sound doesn't travel in space.
255
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
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
If two pieces of metal touch in space, they become permanently stuck together.
808
Some asteroids have other asteroids orbiting them.
131
Astronauts cannot burp in space.
232
Jupiter's moon Ganymede, is larger than the planet Mercury!
149