More than 20 million meteoroids enter Earth's atmosphere every day.
139
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The light hitting the earth right now is 30 thousand years old.
163