Which NASA orbiter has operated around Mars longer than any other spacecraft?
Answer
Mars Odyssey
80 Mars And Mars Exploration Trivia Questions with Answers
80 public questions with answers, drawn from the well. How many can you answer?
How long is one year on Mars, measured by the planet's orbit around the Sun?
Answer
687 Earth days
Which NASA orbiter discovered recurring slope lineae, dark seasonal streaks on Mars?
Answer
Mars Reconnaissance Orbiter
What is the name of the broad Martian basin that contains Hellas Planitia?
Answer
Hellas impact basin
Which Mars mission carried the first successful rover to another planet?
Answer
Mars Pathfinder
Which chemical did NASA’s Phoenix lander detect in Martian soil in 2008?
Answer
Perchlorate
In which Martian region did NASA’s Mars Pathfinder land in 1997?
Answer
Ares Vallis
How long does Phobos, Mars’s larger moon, take to orbit the planet?
Answer
About 7 hours 39 minutes
What is the name of Mars’s largest canyon system?
Answer
Valles Marineris
What is the name of the Martian region where NASA’s Phoenix lander touched down?
Answer
Vastitas Borealis
What is the name of Mars’s largest moon by diameter?
Answer
Phobos
What was the name of NASA’s first rover to explore Mars?
Answer
Sojourner
What is the approximate atmospheric pressure at Mars’s surface?
Answer
About 0.6 kilopascals
What percentage of Earth’s surface gravity exists at Mars’s surface?
Answer
About 38 percent
Which NASA rover recorded the first sounds on Mars in 2021?
Answer
Perseverance
What is Mars’s approximate axial tilt relative to its orbital plane?
Answer
25.2 degrees
What is the name of Mars’s northern polar ice-cap region?
Answer
Planum Boreum
What was the first artificial satellite to orbit Mars?
Answer
Mariner 9
What is the approximate length of a Martian day, from one sunrise to the next?
Answer
24 hours 39 minutes
What is the name of the broad Martian plain where NASA’s Opportunity rover landed?
Answer
Meridiani Planum