Are we alone in the universe? Are the planets our playground to treat as we will, or do we have a responsibility to othe
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Claudius Ptolemy, one of the greatest scientists of all time, probably lived in Alexandria in the second century A.D. Hi
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This fresh, comprehensive text fills a need for an up-to-date theology of mission. It offers creative approaches to answ
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How universal are our moral obligations? Should we attempt to communicate with life beyond our planet? What is "lif
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The Living Universe is a comprehensive, historically nuanced study of the formation of the new scientific discipline of
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Entering the 21st century, human civilization is faced with three serious challenges. The first is the conflict between
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