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
It would take more than 150 years to drive a car to the sun.
569
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
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
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147