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Bacteria Hitchhike Across the Galaxy

The ability of life to survive, adapt and evolve never fails to astonish. Many may not realize that bacteria can be very hardy, as some of the first astronauts to the moon found a colony of thriving bacteria that were visitors from Earth who had hitchhiked a ride on board one of NASA's five Surveyor probes from the mid 1960s. To the astonishment of biologists, between 50 and 100 Streptococcus bacteria survived the journey across space, at an average temperature 20 degrees above absolute zero with no source of energy or water, and stayed alive on the Moon in a camera for three years. November 7, 2003

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