Mars Curiosity rover may have transported Earth bacteria to Mars – study

May 22, 2014 3:48 AM

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The NASA Curiosity rover that was thought to bring only cameras, sensors, and scientific equipment when it traveled to Mars in August 2012 may have brought along dozens of species of bacteria that originated on Earth, according to a new study.

A study conducted by the American Society for Microbiology and published in the Nature science journal revealed that 377 strains of bacteria may have survived the sterilization process that the Curiosity rover endured before it was launched in an attempt to avoid contaminating the red planet.

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