Hilly and Lineated Terrain

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Caption:

Hilly and lineated terrain and a patch of smooth plains in a large degraded crater (lower left portion of the image). Linear scalloped valleys extend mostly NW from the center (e.g., Arecibo Vallis); some trend NNE. Small craters are rare in the terrain; most landforms are positive. Area centered at 28 degrees S, 22 degrees W measures 450 km across. Mariner 10 frame 27370 taken during the spacecraft's first encounter with Mercury.

Background Info:

The Mariner 10 mission, managed by the Jet Propulsion Laboratory for NASA's Office of Space Science, explored Venus in February 1974 on the way to three encounters with Mercury-in March and September 1974 and in March 1975. The spacecraft took more than 7,000 photos of Mercury, Venus, the Earth and the Moon.

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