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Mars methane hunt comes up empty, flummoxing scientists

Trace Gas Orbiter spacecraft did not find the gas in red planet’s atmosphere during its first months of operation.
  1. Alexandra Witze
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A spacecraft that was supposed to solve the mystery of methane on Mars has instead compounded scientists’ confusion. The European–Russian Trace Gas Orbiter (TGO), which began looking for the gas last year, has yet to find any whiffs of it in Mars’s atmosphere, says a study published on 10 April in Nature1.

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Nature 568, 153-154 (2019)

doi: https://doi.org/10.1038/d41586-019-01093-x

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