Venus is the only planet that rotates clockwise.
310
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236