In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
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
41% of the moon is not visible from earth at any time.
103
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
Today's top fuel dragsters take off with more force than the space shuttle.
120
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10