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Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System.

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Faulting Mars

This region of Xanthe Terra has mostly been contracted due to thrust faulting, but this local region shows…

Lovely Layers

Arabia Terra is one of our favorite regions to image, mainly due to the diversity and beauty of its layered deposits.

Lines of Pits in Protonilus Mensae

This observation shows a lobe-shaped debris apron emanating from a massif (shown in the upper left of the image) in the Protonilus Mensae region in the Northern Hemisphere of Mars.

A Tale of Collapse Terrain

North of Ganges Chasma lies Orson Welles Crater, whose floor contains broken up blocks we call chaotic terrain and which is the source for the major outflow channel Shalbatana Vallis.

Ancient Rivers

Billions of years ago, a river flowed across this scene in Mawrth Vallis. Like on Earth, these river beds can get filled up with rocks that are cemented together.