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Are we absolutely sure it's the right gas? Maybe we just read it as methane but it's something else
by blue4 7y ago
Are we absolutely sure it's the right gas? Maybe we just read it as methane but it's something else
- hughes 7y agoIt was measured with at least two different spectrometers: the Curiosity rover measured it with a laser spectrometer, and Mars Express with its PFS. That leaves little doubt.