Mars TriviaOnline version Test your knowledge about the red planet with these 10 questions! by Quiroz Miranda 1 What is the average distance between Mars and the Sun? Choose one or more answers a 365 million miles b 93 million miles c 142 million miles d 225 million miles 2 Which gas makes up the majority of Mars' atmosphere? a Hydrogen b Nitrogen c Oxygen d Carbon dioxide 3 How many moons does Mars have? a 1 b 0 c 3 d 2 4 What is the largest volcano on Mars called? a Olympus Mons b Mount Everest c Mauna Loa d Mount Kilimanjaro 5 What is the average temperature on Mars? a 32 degrees Fahrenheit b 212 degrees Fahrenheit c -80 degrees Fahrenheit d 100 degrees Fahrenheit 6 Which space agency successfully landed a rover named Perseverance on Mars in 2021? a ESA b Roscosmos c NASA d ISRO 7 What is the largest canyon on Mars called? a Valles Marineris b Grand Canyon c Great Rift Valley d Barringer Crater 8 How long is a day on Mars? a 36 hours b 48 hours c 12 hours d 24.6 hours 9 What is the highest mountain on Mars called? a Mount Everest b Mauna Kea c Mount Olympus d Mount Kilimanjaro 10 Which planet is often called the 'sister planet' of Mars? a Earth b Venus c Jupiter d Mercury
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