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We humans can now peer back into the virtual origin of our universe. We have learned much about the laws of nature that control its seemingly infinite celestial bodies, their evolution, motions and possible fate. Yet, equally remarkable, we have no generally accepted information as to whether other life exists beyond us, or whether we are, as was Samuel Coleridge’s Ancient Mariner, “alone, alone, all, all alone, alone on a wide wide sea!” We have made only one exploration to solve that primal mystery. I was fortunate to have participated in that historic adventure as experimenter of the Labeled Release (LR) life detection experiment on NASA’s spectacular Viking mission to Mars in 1976.

On July 30, 1976, the LR returned its initial results from Mars. Amazingly, they were positive. As the experiment progressed, a total of four positive results, supported by five varied controls, streamed down from the twin Viking spacecraft landed some 4,000 miles apart. The data curves signaled the detection of microbial respiration on the Red Planet. The curves from Mars were similar to those produced by LR tests of soils on Earth. It seemed we had answered that ultimate question.

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Category: Science