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 NASA sent birds into space they would soon die; they need gravity to swallow.
146
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Sound doesn't travel in space.
255
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
It would take more than 150 years to drive a car to the sun.
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