Expedition- Mars

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Mars

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The fourth planet from the Sun, about half the size of Earth, explored by Rovers.

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Phobos

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The larger of Mars' two moons, where Mission Control is located during the Mars Expedition Mission.

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Deimos

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The smaller of Mars' two moons.

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Asteroid

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A small rocky body orbiting the sun.

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Ejecta

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Material that is forced or thrown out, especially from volcanic eruption or meteoritic impact.

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Expedition

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A journey or voyage undertaken by a group of people with a particular purpose, especially for exploration and scientific research.

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Extremophiles

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Organisms that can live in extreme conditions, such as high temperature, radiation, or salinity.

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Humidity

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The amount of water vapor in the atmosphere or a gas.

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Joule (abbreviated J)

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A measure of energy or work, equivalent to the electricity needed to run a 1-watt device for 1 second.

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Minerals

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Natural substances of definite chemical composition and usually of clearly defined crystal structure.