The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Sound doesn't travel in space.
255
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The earth travels through space at 660,000 miles per hour.
189
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
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175