Summer on Uranus lasts for 21 years.
358
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
Astronauts get taller when they are in space.
224
A comet's tail always points away from the sun.
2
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Sound doesn't travel in space.
255