article_snippet.sent: Among the images sent back by Messenger as Messenger mission draws to an end is this picture of 2km high cliffs cutting through the Carnegie crater.
article_snippet.sent: it has also sent back detailed images of huge 1.2 mile (2km) high cliffs that cut across a crater named Duccio on the surface.
article_snippet.sent: Another image shows a 621 miles (1,000km) long cliff that rises 1.8 miles (3km) above the surface, called Enterprise Rupes.
highlights_snippet.sent: As it gets lower it is sending back images of the surface in greater detail .
  