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Back How SIR will map the minerals of the Moon

How SIR will map the minerals of the Moon


Copyright: NASA/JPL

Materials that often look merely grey in visible light are more colourful in the infrared. When seen in the form of a spectrum, showing relative intensities at different infrared wavelengths, each mineral has a distinctive signature depending on which wavelengths it absorbs most strongly.
Last Update: 1 September 2019
14-Feb-2026 23:39 UT

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