In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Summer on Uranus lasts for 21 years.
358
Some asteroids have other asteroids orbiting them.
131
It would take more than 150 years to drive a car to the sun.
569
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175