On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The Earth gets 100 tons heavier every day due to falling space dust.
673
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The sun is 330,330 times larger than the earth!
190
The population of the Earth has more than doubled since 1950.
151
More than 20 million meteoroids enter Earth's atmosphere every day.
139