How long is stellar year on Mars?

687 Earth days

423 Earth days

183 Earth days

121 Earth days

The Martian year is almost twice longer than Earth's year.

Kevin Gill wikipedia → Mars

astronomyMarsplanets

Planets quiz Astronomy quiz

You will play as

Answers by country

Unknown

75%

16%

the United States

54%

33%

124

Austria

47%

38%

India

37%

34%

16%

10%

190

Switzerland

37%

45%

12%

Pakistan

33%

Germany

32%

40%

17%

218

Poland

29%

18%

22%

3489

the United Kingdom

28%

45%

21%

Australia

24%

56%

16%

Canada

18%

63%

18%

Olympus Mons is the largest known volcano. Where is it?

Which rover was the first to explore Mars?

Mars colonisation is a hype topic. What is the biggest threat for those wishing to take a part in a journey to Mars?

Most of the planets of the Solar System were known in the antiquity. Which one was the first discovered in modern times with a telescope?