There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
41% of the moon is not visible from earth at any time.
103
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
It takes eight and a half minutes for light to get from the sun to earth.
159
Astronauts cannot burp in space.
232
It would take more than 150 years to drive a car to the sun.
569
Jupiter's moon Ganymede, is larger than the planet Mercury!
149