In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
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 earth rotates more slowly on its axis in March than in September.
145
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Some asteroids have other asteroids orbiting them.
131
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15