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Jul 01, 1990 | ISBN 9780553349092 Buy
Jul 24, 2013 | ISBN 9780307794024 Buy
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Jul 01, 1990 | ISBN 9780553349092
Jul 24, 2013 | ISBN 9780307794024
Robert Jastrow discusses the past and future of space exploration, the cosmic mysteries that still await solution, and the possibility of extraterrestrials whose intelligence far outstrips our own.
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