In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Astronauts cannot burp in space.
232
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
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
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The sun is 330,330 times larger than the earth!
190
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
The light hitting the earth right now is 30 thousand years old.
163