Summer on Uranus lasts for 21 years.
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It 'snows' metal on Venus.
13
Pluto is smaller than Russia.
9
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
41% of the moon is not visible from earth at any time.
103