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Moon 13 Feb 2008_10

To mark the 40th anniversary of the first manned landing on the Moon I've posted this picture of the Moon that includes the landing site (Tranquility Base).

 

Tranquility Base was the name given by American astronaut Neil Armstrong to the landing site on the moon where the Apollo 11 Lunar Module Eagle made the first moon landing. The lunar coordinates of Tranquility Base are 00°41'15''N, 23°26'00''E, which is located in the south-western corner of the lunar plain called the Sea of Tranquility (Mare Tranquillitatis) near the craters Sabine and Ritter, and a rille unofficially called 'U.S. Highway Number 1'.

 

Mare Tranquillitatis (Latin for Sea of Tranquility) is a lunar mare that sits within the Tranquillitatis basin on the Moon. The mare material within the basin consists of basalt in the intermediate to young age group of the Upper Imbrian epoch. The surrounding mountains are thought to be of the Lower Imbrian epoch, but the actual basin is probably Pre-Nectarian. The basin has irregular margins and lacks a defined multiple-ringed structure. The irregular topography in and near this basin results from the intersection of the Tranquillitatis, Nectaris, Crisium, Fecunditatis, and Serenitatis basins with two throughgoing rings of the Procellarum basin. Palus Somni, on the northeastern rim of the mare, is filled with the basalt that spilled over from Tranquillitatis.

 

en.wikipedia.org/wiki/Tranquility_Base

 

en.wikipedia.org/wiki/Sea_of_Tranquility

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Uploaded on July 20, 2009
Taken on February 13, 2008