Summer on Uranus lasts for 21 years.
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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
A comet's tail always points away from the sun.
2
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11