This enhanced-color view shows a region of Mercury viewed in detail for the first time on MESSENGER's third flyby of the planet. The bright yellow area near the top right is a candidate site for an explosive volcanic vent. The 290-km-diameter double-ring basin in the center of the image has a smooth interior that may be the result of effusive volcanism. Smooth plains, thought to be a result of earlier episodes of volcanic activity, cover much of the surrounding area. Image resolution is 1 km/pixel.
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