Martian Methane Gets Even More Mysterious

Methane in the atmosphere of Mars lasts less than a year, according to a study by Italian scientists. Sergio Fonti (Universit� del Salento) and Giuseppe Marzo (NASA Ames) have used observations from NASA?s Mars Global Surveyor spacecraft to track the evolution of the gas over three martian years.



?Only small amounts of methane are present in the martian atmosphere, coming from very localised sources.� We?ve looked at changes in concentrations of the gas and found that there are se [...]

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