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Scientists: Micro-organisms can carry life from one planet to another

Japanese scientists believe microorganisms could carry life from one planet to another after exploring a bacterium that survived three years aboard the International Space Station, AFP reported.
To test the hypothesis that microorganisms can carry life between planets, researchers send the Deinococcus radiodurans bacterium aboard the International Space Station and place it on an external panel. Despite being in outer space exposed to strong UV rays and high temperature amplitudes, the bacterium survives for three years, BTA transmits.

"I knew she would survive the multiple laboratory experiments, but when she returned to Earth alive, I felt relief,” study author Akihiko Yamagishi, a professor of pharmacy and natural sciences at the University of Tokyo, told AFP.

"Everyone thinks life originated on Earth, but new research suggests that life may have started on other planets as well,” he adds.

Bacteria may have come to Earth from Mars at the time when simple life forms may have occurred on the Red Planet. Prof. Yamagishi and his team, whose research was published in the magazine.”Frontiers in Mykrobajoluji” plan to subject the bacterium to stronger radiation in a series of new experiments.

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