If two pieces of metal touch in space, they become permanently stuck together.
808
The sun is 330,330 times larger than the earth!
190
41% of the moon is not visible from earth at any time.
103
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
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Summer on Uranus lasts for 21 years.
358