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Description: (a) Close-up views of the lunar surface reveal rilles and numerous small craters on the maria. Astronauts in lunar orbit took this photograph of Mare Tranquillitatis (Sea of Tranquility) in 1969 while searching for potential landing sites for the first human landing. At 1100 km (700 mi) across, this mare is the same size as the distance from London to Rome or Chicago to Philadelphia. (b) Astronaut David Scott on Hadley’s rille during the Apollo 15 mission to the Moon. Picture Stats: Views: 541 Filesize: 328.56kB Height: 644 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=15982 |