Q:

Has any human ever been to Mars?

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Quick Answer

Humans have never been to Mars. Humans have set foot on the moon, orbited the earth and lived aboard space stations for extended periods, but have not yet visited any other planets.

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Full Answer

Humans first visited space in the 1960s, with the United States and the former Soviet Union both sending astronauts to orbit the earth. Manned space exploration peaked in 1969 when Americans Neil Armstrong and Buzz Aldrin landed on the moon. Numerous satellites have photographed Mars, and the United States in 1976 landed two probes, Viking 1 and Viking 2, and two rovers, Spirit and Opportunity, on the Martian surface in 2004. This has been the extent of human interaction with the Red Planet. However, the scientific community is diligently working on a mission to send man to Mars.

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Related Questions

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    How long does it take a rocket to get to Mars?

    A:

    The 12 spacecraft sent to or sent past Mars have taken between 128 to 333 days from Earth, as of January 2015. Travel between Earth and Mars varies significantly and depends largely on the positions of the planets in relation to each other as well as the spacecraft propulsion system.

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  • Q:

    Can Mars be transformed into another Earth?

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    It's impossible to know from a practical standpoint, but many scientists believe it's theoretically possible for humans to cultivate an Earth-like environment on Mars. This process is known as "terraforming," a Latin-derived word that means "Earth shaping." Terraforming Mars would be an extremely difficult, if not impossible task due to differences between Mars's and Earth's gravities, atmospheres and climate conditions.

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  • Q:

    How fast does the Mars rover go?

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    Curiosity, a rover that's exploring Mars as of 2014, has a top ground speed of 1.5 inches per second, or about 0.1 mph. Curiosity landed on Mars on Aug. 5, 2012.

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  • Q:

    What have the Mars rovers discovered?

    A:

    Mars rovers have uncovered a variety of different things on the red planet, including geographical features such as dried up lake beds, patches of salt crystals believed to be former sites of salt water bodies and multiple soil samples that were analyzed on site. There have been several rovers sent to Mars since the first attempt in the 1970s, though only a few of these rovers, including the United States Spirit, Opportunity and Curiosity rovers, have actually been able to successfully collect useful data.

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