Earth is the only planet in our solar system that's not named after a god or goddess.
17
Venus is the only planet that rotates clockwise.
310
The Earth gets 100 tons heavier every day due to falling space dust.
673
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
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The heart of an astronaut actually gets smaller when in outer space.
216