Jupiter is bigger than all the other planets combined.
254
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
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
A comet's tail always points away from the sun.
2
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236