Which planet is closest to the Sun?
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Mercury orbits at an average 58 million km.
Which planet is known as the Red Planet?
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Iron oxide dust gives the surface its colour.
Which is the largest planet in the Solar System?
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It is more massive than all the other planets combined.
Which planet is famous for its bright ring system?
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Wrong!
The rings are mostly water ice.
How many planets are in the Solar System?
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Pluto was reclassified as a dwarf planet in 2006.
What is Earth’s only natural satellite called?
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It is the fifth largest moon in the Solar System.
Which planet is the hottest in the Solar System?
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Its thick carbon dioxide atmosphere traps heat at around 465C.
What is the name of the galaxy containing our Solar System?
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A barred spiral roughly 100,000 light years across.
Who was the first person to walk on the Moon?
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Apollo 11 landed on 20 July 1969.
Which planet is furthest from the Sun?
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Wrong!
Neptune takes about 165 Earth years to orbit once.
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