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First pulled by Tryn, Nov 6, 2026
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Readers' pathsAug 2026 – Oct 2026
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Viking 2
Space orbiter and lander sent to Mars.
23%
Opportunity (rover)
NASA Mars rover deployed in 2004.
12%
Viking program
Pair of NASA landers and orbiters sent to Mars in 1976.
7.8%
Titan IIIE
Expendable launch system used by NASA.
5.3%
Chryse Planitia
Planitia on Mars.
3.8%
Martin Marietta
American manufacturing company (1961–1995).
3%
Centaur (rocket stage)
Family of rocket stages which can be used as a space tug.
2.5%
Viking lander biological experiments
Mars life detection experiments.
2.4%
Olympus Mons
Martian volcano, highest point on Mars.
2.3%
Mars
Fourth planet from the Sun.
2.3%
Readers come from
Share of the 4,894 readers arriving from another article
Viking program
Pair of NASA landers and orbiters sent to Mars in 1976.
12%
Viking 2
Space orbiter and lander sent to Mars.
9.2%
Cydonia (Mars)
Area of Mars.
5.2%
Valles Marineris
Valley system on Mars.
3.4%
Human mission to Mars
Proposed concepts.
2.9%
Martin Marietta
American manufacturing company (1961–1995).
2.7%
DeForest Kelley
American actor (1920–1999).
2.5%
Curiosity (rover)
NASA rover exploring Mars since 2012.
2.3%
Exploration of Mars
2.2%
Mars landing
Landing of a spacecraft on the surface of Mars.
2.2%