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
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4