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
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The light hitting the earth right now is 30 thousand years old.
163
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46