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Reports Detail Mars Rover Clues to Atmosphere's Past

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 Tunable Laser Spectrometer

Lab demonstration of the measurement chamber inside the Tunable Laser Spectrometer, an instrument that is part of the Sample Analysis at Mars investigation on NASA's Curiosity rover.

Credit: NASA/JPL-Caltech

A pair of new papers report measurements of the Martian atmosphere's composition by NASA's Curiosity rover, providing evidence about loss of much of Mars' original atmosphere.

From Jet Propulsion Laboratory
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