This image provides a close look into a small portion of the Valles Marineris, a large canyon system located on Mars. Look closely at the center of this image to see layered rocks on the surface of Mars.

This image provides a close look into a small portion of the Valles Marineris, a large canyon system located on Mars. Look closely at the center of this image to see layered rocks on the surface of Mars.

This image provides a close look into a small portion of the Valles Marineris, a large canyon system located on Mars. Look closely at the center of this image to see layered rocks on the surface of Mars.

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