Q:

What is the gravitational force of Mars?

A:

Quick Answer

The gravitational force of Mars is 38 percent of Earth's gravity. This low gravity is due to the fact that Mars only possesses 11 percent of the Earth's mass and 15 percent of the Earth's volume. The planet's significantly lower mass and size reduces the gravity it exerts on objects.

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Full Answer

The Martian atmosphere is also much lower compared to Earth. The pressure that its atmosphere generates on the planet surface is approximately 7.5 millibars. By comparison, the Earth's atmosphere exerts 1,000 millibars of pressure. However, a day on Mars is very similar in length to an Earth day, with a Martian day being approximately 24 hours and 37 minutes.

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    Who discovered Mars?

    A:

    Because Mars with its famous red coloration is readily visible from Earth, it is unknown who first discovered it; NASA lists the planet as "known by the ancients." There are records of its existence as far back as ancient Egypt.

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    How long does it take to get to Mars?

    A:

    As of 2014, it takes approximately 150 to 300 days for a spacecraft to travel from Earth to Mars. The time depends on the launch speed, how much fuel is used and the alignment of Earth and Mars.

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    How much would you weigh on Mars?

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    How long does it take for Mars to rotate?

    A:

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