Mars rover to land in giant crater

Mars rover to land in giant crater

The latest Mars destination is a giant crater near the equator with an odd feature: a mountain rising from the crater floor.

Gale Crater was gouged by a meteor impact more than three billion years ago.

Over time, scientists believe sediments filled in the 96-mile-wide crater and winds sculpted the three-mile-high mountain, called Mount Sharp.

Mount Sharp’s stack of rock layers can be read like pages in a storybook with older deposits at the base and more recent material the higher you go, providing a record of Mars history through time.

Images from space reveal signs of water in the lower layers of the mountain, including mineral signatures of clays and sulphate salts, which form in the presence of water. Life as we know it needs more than just water -it also needs nutrients and energy.

During its two-year mission, the Nasa rover Curiosity will trek to the mountain’s lower flanks in search of the carbon-based building blocks of life.

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