Sound doesn't travel in space.
255
The Earth gets 100 tons heavier every day due to falling space dust.
673
Jupiter is bigger than all the other planets combined.
254
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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