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
Only 55% of Americans know that the sun is a star.
986
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
It 'snows' metal on Venus.
13
Earth is the only planet in our solar system that's not named after a god or goddess.
17
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
Sound doesn't travel in space.
255
More than 20 million meteoroids enter Earth's atmosphere every day.
139