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Extraterrestrial hypothesis
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41	UFOs and Exogenous Intelligence Encounters ESPI PERSPECTIVES 43 Add to Reading List Source URL: www.espi.or.at Language: English - Date: 2012-08-15 00:00:23 Unidentified flying objects Ufologists Conspiracy theories Forteana Extraterrestrial hypothesis Close encounter UFO Files Condon Committee Project Blue Book Ufology Paranormal Pseudoscience
42	MEPAG Science Goals, Objectives, Investigations, and Priorities: 2010 Mars Science Goals, Objectives, Investigations, and Priorities: 2010 Add to Reading List Source URL: mepag.jpl.nasa.gov Language: English - Date: 2010-10-04 11:15:58 Biosignature Life on Mars Spirit rover Habitable zone Exploration of Mars Extraterrestrial life Rare Earth hypothesis Manned mission to Mars Climate of Mars Spaceflight Astrobiology Space
43	THIS DOCUMENT IS A DRAFT INTENDED FOR COMMUNITY COMMENT. The following text is proposed to replace the current description of Goal I in the document: MEPAG (2008), Mars Scientific Goals, Objectives, Investigations, and P Add to Reading List Source URL: mepag.jpl.nasa.gov Language: English - Date: 2010-03-11 18:03:16 Astronomy Biosignature Life on Mars Extraterrestrial life Rare Earth hypothesis Spirit rover Abiogenesis Planet Astrobiology Field Laboratory Spaceflight Astrobiology Space
44	THIS DOCUMENT IS A DRAFT INTENDED FOR COMMUNITY COMMENT. The following text is proposed to replace the current description of Goal I in the document: MEPAG (2008), Mars Scientific Goals, Objectives, Investigations, and Add to Reading List Source URL: mepag.jpl.nasa.gov Language: English - Date: 2010-03-11 15:54:32 Biosignature Life on Mars Extraterrestrial life Abiogenesis Spirit rover Rare Earth hypothesis Biomineralization Astrobiology Field Laboratory Planetary habitability Spaceflight Astrobiology Space
45	Microsoft Word - Voytek[removed]Astrobiology Testimony.docx Add to Reading List Source URL: science.house.gov Language: English - Date: 2013-12-04 10:27:18 Astronomy Planetary habitability Habitable zone Extraterrestrial life Rare Earth hypothesis Abiogenesis Life on Mars Astrobiology Science and Technology for Exploring Planets NASA Astrobiology Institute Astrobiology Spaceflight Space
46	ASTROBIOLOGY Volume 8, Number 4, 2008 © Mary Ann Liebert, Inc. DOI: [removed]ast[removed]Focus Paper Add to Reading List Source URL: astrobiology.nasa.gov Language: English - Date: 2014-02-25 00:49:00 Space Planetary habitability Biosignature Habitable zone Extraterrestrial life Abiogenesis Rare Earth hypothesis Planetary system Life on Mars Astrobiology Spaceflight Astronomy
47	An Astrobiological Lens on Planetary System Science Kevin P. Hand, Jet Propulsion Laboratory Patricia M. Beauchamp, Jet Propulsion Laboratory David Des Marais, NASA Ames Research Center David Grinspoon, Denver Museum of Add to Reading List Source URL: www.lpi.usra.edu Language: English - Date: 2009-09-16 13:21:59 Space NASA Astrobiology Institute Planetary habitability Extraterrestrial life Planetary science Extrasolar planet Planetary Science Decadal Survey Gaia hypothesis Biosignature Astrobiology Spaceflight Astronomy
48	THIS DOCUMENT IS A DRAFT INTENDED FOR COMMUNITY COMMENT. The following text is proposed to replace the current description of Goal I in the document: MEPAG (2008), Mars Scientific Goals, Objectives, Investigations, and P Add to Reading List Source URL: mepag.nasa.gov Language: English - Date: 2010-03-11 18:03:16 Astronomy Biosignature Life on Mars Extraterrestrial life Rare Earth hypothesis Spirit rover Abiogenesis Planet Astrobiology Field Laboratory Spaceflight Astrobiology Space
49	THIS DOCUMENT IS A DRAFT INTENDED FOR COMMUNITY COMMENT. The following text is proposed to replace the current description of Goal I in the document: MEPAG (2008), Mars Scientific Goals, Objectives, Investigations, and Add to Reading List Source URL: mepag.nasa.gov Language: English - Date: 2010-03-11 15:54:32 Biosignature Life on Mars Extraterrestrial life Abiogenesis Spirit rover Rare Earth hypothesis Biomineralization Astrobiology Field Laboratory Planetary habitability Spaceflight Astrobiology Space
50	MEPAG Science Goals, Objectives, Investigations, and Priorities: 2010 Mars Science Goals, Objectives, Investigations, and Priorities: 2010 Add to Reading List Source URL: mepag.nasa.gov Language: English - Date: 2010-10-04 11:15:58 Biosignature Life on Mars Spirit rover Habitable zone Exploration of Mars Extraterrestrial life Rare Earth hypothesis Manned mission to Mars Climate of Mars Spaceflight Astrobiology Space