Mars (Terrestrial Planets) trivia
Mars (Terrestrial Planets) Mini Quiz
Test your knowledge with these top questions!
Question 1
What gives Mars much of its reddish color?
Iron minerals in Martian dust oxidized, forming rust-like compounds that tint the surface red.
Question 2
Which gas makes up most of Mars's atmosphere?
Carbon dioxide makes up about 95% of Mars's thin atmosphere; nitrogen and argon account for much of the remainder.
Question 3
What kind of feature is Mars's Olympus Mons?
Olympus Mons is a broad shield volcano built by repeated lava flows on Mars.
Question 4
What mainly causes seasons on Mars?
Mars tilts about 25 degrees on its axis, so sunlight shifts between hemispheres during its orbit.