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Originally posted by ATLien
The cells were taken in chunks of rock from cliffs in the UK and stuck to the exterior of the International Space Station to see how long they could survive in the hostile conditions outside the Earth’s atmosphere.
When scientists inspected the bacteria a year and a half after they were launched into space in 2008, they found many were still alive despite having been exposed to extreme ultraviolet light, cosmic rays and dramatic shifts in temperature.
This discovery appears to support the theory that alien micro-organisms could be transported between planets in meteorites.