There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
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
Today's top fuel dragsters take off with more force than the space shuttle.
120
Jupiter is bigger than all the other planets combined.
254
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