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30 May 2012

What’s that rock made of? Good question…

You would think it would be pretty easy to figure out what a rock is made of, but it is actually a very complicated question. For ChemCam, we need a list of geologic samples (“standards”) with a range of known compositions so that we can accurately measure the composition of unknown rocks on Mars. Our measurements are only as good as our standards, so I have been spending an inordinate …


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