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      • Pytheas is a small lunar impact crater located on the southern part of the Mare Imbrium, to the south of the crater Lambert. It was named after ancient Greek navigator and geographer Pytheas of Massalia.
      It has a sharply defined rim, a hummocky outer rampart, and an irregular interior due to slumping or fall-back. There is a small crater along the northern outer rampart, and a similar crater about 20 km to the west. The crater possesses a small ray system that extends for a radius of about 50 kilometers. It is surrounded by lunar mare that is dusted with ray material from Copernicus to the south.


      Satellite craters


      By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Pytheas.


      References




      External links


      Pytheas at The Moon Wiki
      Oblique Apollo 15 image of Pytheas: AS15-92-12576
      "LTO-40D2 Pytheas". L&PI topographic map. Retrieved November 4, 2005.
      LROC page: Pytheas
      Media related to Pytheas (crater) at Wikimedia Commons
      Wood, Chuck (March 2, 2006). "Rays and Pitts". Lunar Photo of the Day. Archived from the original on June 14, 2011.
      Wood, Chuck (June 23, 2006). "Mare Layering". Lunar Photo of the Day. Archived from the original on June 14, 2011.

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