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Moon Mineralogy Mapper
The Moon Mineralogy Mapper (M3) is one of two instruments that NASA contributed to India's first mission to the Moon, Chandrayaan-1, launched October 22, 2008. The instrument is led by principal investigator Carle Pieters of Brown University, and managed by NASA's Jet Propulsion Laboratory.
== Description ==
M3 is an imaging spectrometer that has provided the first high-resolution spatial and spectral map of the entire lunar surface, revealing the minerals of which it is made. This information will both provide clues to the early development of the solar system and guide future astronauts to stores of precious resources.
This instrument is a Discovery Program "Mission of Opportunity" (a NASA-designed instrument on board another space agency's spacecraft).
Chandrayaan-1 operated for 312 days as opposed to the intended two years but the mission achieved 95 percent of its planned objectives, including mapping over 95% of the lunar surface with the M3 instrument. After suffering from several technical issues including failure of the star sensors and poor thermal shielding, Chandrayaan-1 stopped sending radio signals at 1:30 AM IST on 29 August 2009 shortly after which, the ISRO officially declared the mission over.
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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