月球矿物制图仪(M3)，即成像光谱仪，其设计目的是通过探测月球表面及表层以下各种矿物质释放出的电磁辐射寻找水源。

The M3, an imaging spectrometer, was designed to search for water by detecting the electromagnetic radiation given off by different minerals on and just below the surface of the Moon.

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于去年10月发射进入绕月轨道的月球初航1装配了由世界各国提供的11件探月设备，月球矿物制图仪的是由美国宇航局提供的两个仪器之一。

M3 was one of two Nasa instruments among 11 pieces of equipment from around the world on Chandrayaan-1, which was launched into orbit around the Moon in October last year.

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这两张图像（真色彩）是美国国家航空航天局（NASA）地球资源5号(Landsat 5)卫星上的专题（地图）制图仪（The Thematic Mapper）获得的，分别拍摄于1984年8月11日（上图）和2009年9月1日。

The Thematic Mapper on NASA’s Landsat 5 satellite captured these true-color images on August 11, 1984 (top), and September 1, 2009 (bottom).

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