On Mars The levels of radiation due to ultraviolet rays they are much higher than the terrestrial ones, but Not enough for kill The Any illegal terrestrial bacteria ‘bacteria’for example present on a contaminated rover. This is indicated by study published in the magazine of the Academy of Sciences of the United States, Pnas, led by Daniel Vúdez-Moreiras, of the National Center for Oncological Studies in Spain, and based on the data collected by Rover curiosity.
Arrived on the Red Planet in 2012, the NASA Curiosity mission also has a Ultraviolet radiation meterthe first tool of this type used on Mars and which has Data collected for over 5 years Marziani, corresponding to beyond 10 years terrestrial. The data highlight one quantity of radiation tens of higher times of those that reach the surface terrestrial and that the doses of ultraviolet rays on Mars can vary a lot even after a few days based on the quantity of dust present in the‘atmosphere. So much so that in 2018, on the occasion of a strong storm, the ultraviolet radiation had reduced up to 90%.
According to data collected in Curiosity, the radiation On Mars they are sufficient to reduce the vital activities Of any terrestrial microorganism up to 99% in a few hoursbut Not I am sufficient to kill every form of life. The authors of the research therefore detect how important it is, in the future missions on the red planet, Send sterilized vehicles in order to avoid possible contaminations.
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