Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Summer on Uranus lasts for 21 years.
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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
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
There are more nerve cells in the human brain than there are stars in the Milky Way.
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