Why is it called a ‘dome’?
The Dome is the central uplift or upheaval dome in the centre of a far larger crater structure.
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Drawings of the DomeThere are many diagrams and artist’s impressions of the Dome impact scenario, all of them more or less simplified. At left, the formation of a complex crater. This drawing shows roughly how the Dome occupies the centre of the crater with its central core surrounded by melt and debris between it and the perimeter. Diagram from the Explorer’s Guide to Impact Craters: http://www.psi.edu/explorecraters/background.htm
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