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Nakhla meteorite
Nakhla is a martian meteorite fallen in Egypt in 1911. It was the first meteorite reported from Egypt, the first one to suggest signs of aqueous processes on Mars, and the prototype for Nakhlite type of meteorites.
==History==
It fell on Earth on June 28, 1911, at approximately 09:00, in the Abu Hommos district, Alexandria Governorate, Egypt (now Abu Hummus, Beheira Governorate), in the area of the village of El Nakhla El Bahariya. The stones were collected near hamlets of Ezbet Abdalla Zeid, Ezbet Abdel Malek, Ezbet el Askar, and Ezbet Saber Mahdi.〔("the meteoric stones of El Nakhla El Baharia (Egypt)" ), by G.T.Prior, Keeper of Minerals in the British Museum; read November 14, 1911, ''Mineralogical Magazine,'' 1912, vol. 16, pp 274-281〕〔("The Nakhla Meteorite" ) - From NASA's Jet Propulsion Laboratory〕〔("Nakhla meteorite fragment" ) - From the Natural History Museum. Rotatable image of a fragment of the meteorite. URL accessed September 6, 2006.〕 Many people witnessed the meteorite approaching from north-west, inclination about °, along the track marked with a column of white smoke. Several explosions were heard before it fell to Earth in an area of in diameter, and about forty pieces were recovered; the fragments were buried in the ground up to a meter deep.
From an estimated original weight of , recovered fragments ranged in weight from 20 g to 1813 g.〔〔
Two fragments, found near Ezbet Abdel Malek, were presented by the Egyptian Government to the British Museum.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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