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NASA Curiosity Rover Detects No Methane on Mars

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Tunable Laser Spectrometer on Curiosity

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

Data from NASA's Curiosity rover has revealed the Martian environment lacks methane. This is a surprise to researchers because previous data reported by U.S. and international scientists indicated positive detections.

From Jet Propulsion Laboratory/NASA
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