The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
41% of the moon is not visible from earth at any time.
103
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The sun is 330,330 times larger than the earth!
190