The Bruce Murray Space Image Library
Filed under pretty pictures, spacecraft, Curiosity (Mars Science Laboratory)
The ChemCam instrument for NASA's Mars Science Laboratory mission uses a pulsed laser beam to vaporize a pinhead-size target, producing a flash of light from the ionized material -- plasma -- that can be analyzed to identify chemical elements in the target.
This image from testing of ChemCam shows a ball of luminous plasma erupting from the surface of an iron pyrite crystal in the sample chamber approximately 3 meters from the instrument. The laser beam itself is invisible.
NASA / JPL
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