In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
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
There are two golf balls sitting on the moon.
721
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236