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Trace species in planetary atmospheres: Some results of TGO ExoMars

Korablev, O. I.

The presence of life alters the composition of a planet's atmosphere. This thesis, formulated back in the 1960s, is now gaining importance. The discovery or even suspicion of chemically non-equilibrium compounds in the atmosphere of another planets can infl uence space policies. The report reviews the discovery of phosphine on Venus and its possib…