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Ghana has a rare treasure, a crater made when a meteor hit Earth: why it needs to be protected

By Marian Selorm Sapah, Senior lecturer, University of Ghana

Impact craters are formed when an object from space such as a meteoroid, asteroid or comet strikes the Earth at a very high velocity. This leaves an excavated circular hole on the Earth’s surface.

It is a basic geological process that has shaped the planets from their formation to today. It creates landscapes and surface materials across our solar system. The moon is covered with them, as are planets…

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