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  1. Sulphur dioxide in the upper atmosphere of Venus

    Publishing date:

    November 23, 2010

    Using data gathered by a measuring instrument on the Venus Express spacecraft developed with CNES support, an international team of researchers1 has found evidence of sulphur dioxide in the upper atmosphere of Venus.

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  2. Mars: a water vapour-saturated atmosphere


    • Sciences et techniques

    Publishing date:

    September 30, 2011

    After analysing again the data sent by the SPICAM spectrometer on board ESA's Mars Express, the Martian atmosphere turned to be water vapour-over-saturated. This surprising discovery, with major implications for the understanding of the Martian water cycle as well as for the evolution of its atmosphere, was announced in an article of the September 29th 2011 issue of Science.

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