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Date: 2012-09-29 01:51:20Astronomy Abiogenesis Planetary habitability Extraterrestrial life The Universe Rare Earth hypothesis Stanley Miller NASA Astrobiology Institute Natural satellite habitability Astrobiology Spaceflight Space | National Aeronautics and Space Administration Issue #1Add to Reading ListSource URL: www.astrobio.netDownload Document from Source WebsiteFile Size: 3,36 MBShare Document on Facebook |