Q:

# How much would you weigh on Mars?

A:

How much people weigh on Mars varies according to how much they weigh on Earth. Someone who weighs 160 pounds on Earth would weigh 59.5 pounds on Mars, according to the Athena Mars Exploration Rovers page hosted by Cornell University.

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A person's weight depends on factors such as mass and gravity. Because Earth has a much greater mass than Mars, it has a stronger force of gravity. As a result, people weigh less on Mars than they do on Earth.

At one time, Pluto was the planet where a human would weigh the least. In 2006, Pluto was demoted from a planet to a dwarf planet, so as of May 2014, Mars is the planet where humans would weigh the least.

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## Related Questions

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A year on Mars is the equivalent of 687 Earth days or almost two years on Earth. The length of a year is determined by the amount of time it takes for a planet to make one complete orbit around the sun.

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Mars is considerably less than 1 light-year away from Earth. According to Cornell University, Mars orbits the Sun at an average distance of 1.5 times the Earth's mean orbital distance. At the two planets' closest approach, the distance between them shrinks to 0.5 astral units, which equals 75 million kilometers.

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To survive on Mars, humans need the same things they need on Earth, including water, a breathable atmosphere and food. Mars is a hostile planet, and as of early 2015, is unable to support human life.