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To: smokingfrog

Cobalt?

5 posted on 10/07/2020 7:54:15 PM PDT by Carriage Hill (A society grows great when old men plant trees, in whose shade they know they will never sit.)

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To: carriage_hill

It’s an infrared image, so we’re not seeing the actual color of the rock.

https://earthobservatory.nasa.gov/images/83324/mapping-minerals-with-light

7 posted on 10/07/2020 8:06:01 PM PDT by smokingfrog ( sleep with one eye open (<o> ---)

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