Pluto is smaller than Russia.
9
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
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
NASA invented baby food as we know it today.
7
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Summer on Uranus lasts for 21 years.
358
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