Sound doesn't travel in space.
255
The earth is .02 degrees hotter during a full moon.
157
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Astronauts cannot burp in space.
232
Buzz Aldrin’s mother’s maiden name was Moon.
9
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175