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Venus is the brightest planet in our sky and can sometimes be seen with the naked eye. 
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Earth has more exposed water than land.  Three quarters of the Earth is covered by water! 
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Mars is the home of "Olympus Mons", the largest volcano found in the solar system.   
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Jupiter is so big that you could fit all the other planets in the solar system inside it.   
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Jupiter's really really big and yet, Jupiter is the fastest rotating planet.
 Saturn is the second biggest planet, but it’s also the lightest planet. It would float if put in water!
 
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Venus is actually the hottest planet in the Solar System (though Mercury is nearest to Sun). 
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Uranus is the coldest place in the Solar System (though Pluto is furtherest to Sun) 
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Sun makes up 99.86% of the Solar System's mass! That means that all the planets + asteroids put together only make up about 0.14% of the Solar System's mass 
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Just a pinhead of the Sun's raw material could kill someone up to 160 kilometres away!