rover Curiosity is not found in the Martian atmosphere of methane, the presence of which would be one of the evidence that this planet once existed microbial life, according to the US space agency NASA.
Preliminary results of the analyzes carried out by the rover, the same as some previous studies that found no evidence of the presence of methane in the atmosphere Marsa.
But, at the same time, the results contradict the results of Curiosity many other studies obtained through telescopes from Earth. According Curiosity, the Martian atmosphere is characterized by increased content of heavy isotopes of carbon and argon. In NASA noted that the search for methane will continue, but to date it is obvious that if he is on Mars, it is only in minor kolichestvah.
Recall: Curiosity rover landed on Mars on August 6. On board Curiosity established 10 scientific instruments a total mass of 75 kg, which allow the rover to carry out detailed geological and geochemical studies, study the atmosphere and climate of the planet, look for water and traces of organic substances and to determine - whether once Mars suitable for life, is there a place suitable for life at the moment.