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Bacteria can survive Cosmic trip

Date: 29 August 2020 Tags: Miscellaneous
  • Scientists have found a radiation-resistant bacteria can survive at least three years exposed in orbit, suggesting simple life forms could manage the long journey between Earth and Mars unprotected.
  • The Japanese scientists behind the research said Wednesday the finding lends credence to so-called "panspermia theory", which posits that microbes can travel from one planet to another, seeding life on arrival.
  • To test the theory, the researchers deposited a bacteria called Deinococcus radiodurans outside the International Space Station at an altitude of 400 kilometres (250 miles) from the Earth.
  • Despite enduring the harsh environment of outer space and exposure to strong UV and large temperature changes, the bacteria was still alive in parts after three years.