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How does gravity on Mars compare with gravity on Earth?
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Mars
An especially serene view of Mars (Tharsis side), a composite of images taken by the Mars Global Surveyor spacecraft in April 1999. The northern polar cap and encircling dark dune field of Vastitas Borealis are visible at the top of the globe. White water-ice clouds surround the most prominent volcanic peaks, including Olympus Mons near the western limb, Alba Patera to its northeast, and the line of Tharsis volcanoes to the southeast. East of the Tharsis rise can be seen the enormous near-equatorial gash that marks the canyon system Valles Marineris.
Gravity on Mars is significantly weaker than on Earth due to the planet's smaller mass, which is only one-tenth that of Earth.12
At the Martian surface, the gravitational acceleration is approximately 3.72 meters (12.2 feet) per second per second. Consequently, objects on Mars weigh a little more than one-third of what they would weigh on Earth's surface.12