New images from the MESSENGER spacecraft’s third trip past Mercury reveal some of the most recent volcanic activity on the planet’s surface, scientists reported during a press teleconference November 3.
The images are evidence of activity recent enough that planetary scientists may need to rethink the planet’s history. “It was thought that the internal geological activity on Mercury ended much earlier than on any other planet,” said Brett Denevi of Arizona State University. “We’re seeing that might not be the case.”
More on this story at http://www.sciencenews.org/view/generic/id/49071/title/Volcanic_and_ferric_surprises_on_Mercury
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