The light hitting the earth right now is 30 thousand years old.
163
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
Summer on Uranus lasts for 21 years.
358
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
Jupiter is bigger than all the other planets combined.
254
Only 55% of Americans know that the sun is a star.
986
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The heart of an astronaut actually gets smaller when in outer space.
216