Sound doesn't travel in space.
255
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178