The light hitting the earth right now is 30 thousand years old.
163
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Summer on Uranus lasts for 21 years.
358
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
A comet's tail always points away from the sun.
2