Solar System QuizOnline version Test your Solar System knowledge. by Arnab Biswas 1 What is the largest planet in our solar system? a Jupiter b Neptune c Saturn d Uranus 2 Which planet is famous for its spectacular rings? a Venus b Saturn c Mars d Jupiter 3 Which planet is closest to the Sun? a Mars b Earth c Mercury d Venus 4 Which planet hosts the largest volcano, Olympus Mons? a Jupiter b Mercury c Mars d Venus 5 Which planet is often called Earth's twin? a Mars b Jupiter c Venus d Mercury 6 Which dwarf planet is located in the asteroid belt? a Ceres b Pluto c Eris d Haumea 7 Which planet has the shortest day (fastest rotation)? a Venus b Mars c Jupiter d Mercury 8 Which planet is known as the Red Planet? a Mars b Earth c Mercury d Venus 9 Which planet has the Great Red Spot? a Neptune b Saturn c Mars d Jupiter 10 Which dwarf planet lies beyond Neptune in the Kuiper belt? a Eris b Pluto c Haumea d Ceres
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