Introduction to Volcanic activity on Mercury

Perspective view looking NW over the Caloris Basin. Pantheon Fossae, radial dike swarm in the foreground. The Impact crater just offset to the right of the swarm is 41 km in diameter. Red and white are higher topography; blues are lower. Total vertical difference is 4 km. Image courtesy NASA/Johns Hopkins University Applied Physics Laboratory (JHU / APL) / Carnegie Institution of Washington/Goddard Space Flight Center

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