The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The heart of an astronaut actually gets smaller when in outer space.
216
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194