by Mark Buhler (Author)

In the twenty-first century, on our blue world called Earth, we are looking outward into the deepest parts of space, and particularly the Milky Way galaxy, for any sign of life-whether it be simple one-celled organisms or complex, highly intelligent beings. We want to believe that we are not alone in our galaxy. But are we so sure, in our ignorance, that we exist in isolation within our own solar system and our own minds?

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