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• Introduction
  crossref Michael D. Papagiannis 2011-10-04T04:10:35Z 置信度 0.70
• [ Front Matter ]
  crossref 2024-01-30T05:12:35Z 置信度 0.70
• Carbon Chauvinism?
  crossref Antonino Del Popolo 2025-03-05T11:37:18Z 置信度 0.70
• 14 - The Discovery of Extraterrestrial Life
  crossref 2023-01-02T07:17:23Z 置信度 0.70
• Notes on Contributors
  crossref 2022-10-11T10:57:11Z 置信度 0.70
• Acknowledgments
  crossref 2014-12-01T19:09:48Z 置信度 0.70
• Introduction
  crossref Michael D. Papagiannis 2011-10-04T04:10:35Z 置信度 0.70
• Origins
  Abstract The Museum of Creation and Earth History stands on a freeway frontage road in Santee, California, a nondescript suburb tucked among the low hills east of San Diego. We pull into the museum’s forecourt and park backward in our space, thus concealing th…
  crossref David Koerner, Simon LeVay 2023-11-05T07:53:11Z 置信度 0.70
• Contents
  crossref 2014-12-01T19:09:48Z 置信度 0.70
• Seti Observations Worldwide
  crossref Jill Tarter 2011-10-04T04:10:35Z 置信度 0.70
• 20 UFOs
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• Cosmology, Astrobiology, and Modern Astronomical Technologies
  crossref 2023-09-01T20:21:45Z 置信度 0.70
• 15 Dianetics
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• Convergent Feeding Forms
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• Extraterrestrial Life, Searching for
  Abstract Since at least the beginning of recorded history, humans have looked up at the sky and wondered whether or not we are alone. Traditionally, we have consulted philosophers and religious figures for guidance in answering this question. In every age and …
  crossref Jill Tarter 2003-10-30T20:19:50Z 置信度 0.70
• Exotica
  Abstract The Field and Mobile Robotics Building on the campus of Pittsburgh’s Carnegie-Mellon University is hard to find and even harder to get into. Built on steeply sloping ground, hemmed in by construction sites, and partially embedded within other building…
  crossref David Koerner, Simon LeVay 2023-11-05T07:53:11Z 置信度 0.70
• Concluding Remarks
  crossref H. J. Smith 2011-10-04T04:10:35Z 置信度 0.70
• The physical constraints on extraterrestrial life
  crossref Monica M. Grady 2007-05-16T13:37:34Z 置信度 0.70
• Civilizations Beyond Earth
  Astronomers around the world are pointing their telescopes toward the heavens, searching for signs of intelligent life. If they make contact with an advanced alien civilization, how will humankind respond? In thinking about first contact, the contributors to t…
  crossref 2022-10-11T10:57:11Z 置信度 0.70
• Convergent Mobile Forms
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• Index of Topics
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• Extraterrestrial intelligence
  crossref Barrie W. Jones 2013-07-30T12:06:02Z 置信度 0.70
• The New Worlds
  crossref Antonino Del Popolo 2025-03-05T11:37:22Z 置信度 0.70
• Estimating survival probability using the terrestrial extinction history for the search for extraterrestrial life
  Several exoplanets have been discovered to date, and the next step is the search for extraterrestrial life. However, it is difficult to estimate the number of life-bearing exoplanets because our only template is based on life on Earth. In this paper, a new app…
  europepmc Kohji Tsumura 2020 置信度 0.80
• SELECTED BIBLIOGRAPHY
  crossref 2024-11-20T21:00:32Z 置信度 0.70
• 14 - The Discovery of Extraterrestrial Life
  crossref 2025-01-07T17:27:55Z 置信度 0.70
• Molecular Replication
  crossref Leslie E. Orgel 2011-10-04T04:10:35Z 置信度 0.70
• Extraterrestrial life: Life on Mars –  then and now
  crossref Gustaf Arrhenius, Stephen Mojzsis 2004-08-10T19:56:00Z 置信度 0.70
• The radio search for extraterrestrial intelligent life
  crossref F. Drake 2005-03-23T19:55:28Z 置信度 0.70
• Frontmatter
  crossref 2014-12-01T19:09:48Z 置信度 0.70
• A Roman Catholic and Thomistic Approach
  crossref 2023-09-01T20:21:45Z 置信度 0.70
• Extraterrestrial Life and UFO Beliefs Scale
  crossref James Chequers, Stephen Joseph, Debbie Diduca 2012-09-10T17:19:10Z 置信度 0.70
• Are We Extraterrestrials?
  crossref Antonino Del Popolo 2025-03-05T11:37:23Z 置信度 0.70
• Welcoming Address
  crossref Arthur G. B. Metcalf 2011-10-04T04:10:35Z 置信度 0.70
• 1 Infinite Worlds
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• Xenopsychology: A Psychological Specialty Concerning Discovery of Extraterrestrial Life
  crossref Mark E. Koltko-Rivera 2013-02-15T22:11:44Z 置信度 0.70
• Russian Life Support Systems: Vostok, Voskhod, and Soyuz
  crossref Bart Hendrickx 2018-05-21T18:31:23Z 置信度 0.70
• 7 Spiritualism
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• The Cosmic Shift: How the Discovery of Extraterrestrial Life Will Redefine Humanity's Ethical Frameworks
  The search for life beyond Earth has moved rapidly from philosophical conjecture to data-driven science. A stream of missions, biosignature frameworks, and contested detections has tightened the conversation between empirical astrobiology and moral philosophy …
  crossref Kavya Mehra, Raghu Raja Mehra, Jaismeen Kaur 2025-08-29T10:33:02Z 置信度 0.70
• Where Is Everybody?
  crossref Antonino Del Popolo 2025-03-05T11:37:25Z 置信度 0.70
• Index
  crossref 2014-12-01T19:09:48Z 置信度 0.70
• Front Matter
  crossref 2024-11-20T21:00:32Z 置信度 0.70
• Children of the Stars
  crossref Antonino Del Popolo 2025-03-05T11:37:18Z 置信度 0.70
• 14 Messiahs
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• 10 Millerites
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• Extraterrestrial Intelligent Life
  crossref Peter Ulmschneider 2013-12-11T04:48:34Z 置信度 0.70
• 9. Extraterrestrial Intelligent Life
  crossref Ulmschneider Peter 2012-05-11T14:57:01Z 置信度 0.70
• Life Support Systems of the International Space Station
  crossref Davide Sivolella 2017-02-23T10:39:42Z 置信度 0.70
• A multidimensional impact model for the discovery of extraterrestrial life
  crossref Clément Vidal 2015-11-05T16:58:20Z 置信度 0.70
• Searching for Extraterrestrial Life Without a Definition or Universal Theory of Life
  crossref 2019-09-09T07:34:56Z 置信度 0.70
• Ethical Obligations Towards Extraterrestrial Life
  crossref Gonzalo Munévar 2020-04-08T03:23:39Z 置信度 0.70
• Searching for Extraterrestrial Life in Our Solar System
  The most compelling question in astrobiology, and arguably for the entire field of planetary exploration, is whether life exists beyond Earth. Strict definitions of life cannot be easily tested remotely and yield instead to investigations that seek to detect b…
  crossref Benton C. Clark 2019-06-03T08:57:37Z 置信度 0.70
• Astrophilosophy, Exotheology, and Cosmic Religion
  Astrophilosopy, Exotheology, and Cosmic Religion: Extraterrestrial Life in a Process Universe applies Alfred North Whitehead’s process philosophy and the associated process philosophies of Henri Bergson, Teilhard de Chardin, and others to the interdisciplinary…
  crossref 2024-07-30T08:25:28Z 置信度 0.70
• Table of Contents
  crossref 2024-11-20T21:00:32Z 置信度 0.70
• Introduction
  Abstract These people have little in common, except this: Each is responding in his or her own way—with denial, with fantasy, or with scientific derring-do—to a revolution in human thought. A revolution that knocked us off our throne at the hub of a wheeling u…
  crossref David Koerner, Simon LeVay 2023-11-05T07:53:11Z 置信度 0.70
• Beyond UFOs
  The quest for extraterrestrial life doesn't happen only in science fiction. This book describes the startling discoveries being made in the very real science of astrobiology, an intriguing new field that blends astronomy, biology, and geology to explore the po…
  crossref Jeffrey Bennett 2014-12-01T19:09:48Z 置信度 0.70
• 5 Emanuel Swedenborg
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• 22 Ashtar Command
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• Solvent Effects on Enzymes: Implications for Extraterrestrial Life
  crossref M. R. Heinrich 2012-06-01T02:50:01Z 置信度 0.70
• Russian Life Support Systems: Vostok, Voskhod, and Soyuz
  crossref Bart Hendrickx 2018-06-25T10:56:40Z 置信度 0.70
• Index of Species
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• Convergent Sessile Forms
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• Setting the Stage for Cosmic Discovery
  crossref Christopher K. Walker 2023-09-28T12:42:11Z 置信度 0.70
• Astrobiological Searches for Life and Shared Knowledge
  crossref Chelsea Haramia 2025-11-21T13:18:47Z 置信度 0.70
• Naming extraterrestrial life
  crossref ROBERT A. FREITAS 2004-11-17T23:26:53Z 置信度 0.70
• Conclusions
  Abstract Since the dawn of our species, an unquenchable curiosity has driven us to ask and re-ask the same questions: Who are we? Where do we come from? Are we alone? Myths offered the first answers: myths of creation and of spirit worlds. From here, one trail…
  crossref David Koerner, Simon LeVay 2023-11-05T07:53:11Z 置信度 0.70
• Extraterrestrial Seas:
  crossref 2020-05-29T22:37:14Z 置信度 0.70
• Handbook of Life Support Systems for Spacecraft and Extraterrestrial Habitats
  crossref 2017-01-21T03:03:46Z 置信度 0.70
• List of Tables
  crossref 2024-11-20T21:00:32Z 置信度 0.70
• 4 Popular Pluralism
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• Life Support Systems for Manned Mars Missions, Overview
  crossref Thais Russomano 2017-01-21T08:03:46Z 置信度 0.70
• The Search for Extraterrestrial Intelligent Life
  crossref Dirk Schulze-Makuch, Louis N. Irwin 2018-11-19T15:53:55Z 置信度 0.70
• We Are Not Alone
  crossref Antonino Del Popolo 2025-03-05T11:37:23Z 置信度 0.70
• Life Support Systems for Russian IVA/EVA Space Suits
  crossref Nikolay Moiseev 2017-03-22T03:23:50Z 置信度 0.70
• How Likely is Extraterrestrial Life?
  crossref J. Woods Halley 2012-01-03T11:39:44Z 置信度 0.70
• Other Worlds
  crossref Paul S. Agutter, Denys N. Wheatley 2007-03-02T12:48:11Z 置信度 0.70
• Index of Common Names
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• List of Figures
  crossref 2024-11-20T21:00:32Z 置信度 0.70
• Two Additional Comments
  crossref John A. Ball 2011-10-04T00:10:35Z 置信度 0.70
• Notes
  Subject Astronomy and Astrophysics Collection: Oxford Scholarship Online
  crossref David Koerner, Simon LeVay 2023-11-05T07:53:11Z 置信度 0.70
• 3 Elite Pluralism
  crossref 2026-06-13T00:25:41Z 置信度 0.70
• Limits of Terrestrial Life and Biosphere
  crossref Ken Takai 2019-02-27T17:07:43Z 置信度 0.70
• WHERE ARE THEY?-WE ARE ALONE
  crossref 2023-09-19T14:13:10Z 置信度 0.70
• Bioprinting
  crossref Erik Seedhouse 2018-11-19T02:30:38Z 置信度 0.70
• Were heterochiral polymers relevant in primordial and extraterrestrial life scenarios?
  Agent-based simulations are employed to describe the early biological selection of oligomers made of monomers with different chirality. These simulations consider the spatial distribution of agents and resources, the balance of biomass of different chirality a…
  crossref Savino Longo, Gaia Micca Longo, Gianluigi Casimo 2025-03-14T17:20:51Z 置信度 0.70
• Dog noses detect heat, the world faces coronavirus, and scientists search for extraterrestrial life
  crossref 2020-03-06T01:10:07Z 置信度 0.70
• ASTRONOMERS AND EXTRATERRESTRIALS
  crossref 2024-11-20T21:00:32Z 置信度 0.70
• The Likelihood of Extraterrestrial Intelligent Life
  crossref Rob Hengeveld 2012-10-29T19:36:31Z 置信度 0.70
• Afterword
  In the five decades since Frank Drake formulated his eponymous equation, our understanding of astrophysics and planetary science has advanced enormously. The first three terms of the equation refer to factors that are now known with reasonable precision, due i…
  crossref Paul C. W. Davies 2015-07-05T05:14:33Z 置信度 0.70
• Summary of First Session
  crossref George D. Gatewood 2011-10-04T00:10:35Z 置信度 0.70
• BEFORE THE WHEWELL DEBATE
  crossref 2024-11-20T21:00:32Z 置信度 0.70
• Bibliography
  crossref 2020-11-21T23:10:47Z 置信度 0.70
• Essentials of Life Support Systems: Carbon Dioxide Scrubbing
  crossref David F. Wassell 2017-05-06T13:57:08Z 置信度 0.70
• Acknowledgments
  crossref Roland Faber 2025-11-21T13:18:47Z 置信度 0.70
• Convergence in Life Forms in the Seas and on the Land
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• Pneumatic Structure with Kinetic Sub-system: A Proposal for Extraterrestrial Life
  crossref Asli Agirbas 2020-12-29T14:55:16Z 置信度 0.70
• Appendix A:
  crossref 2023-09-01T20:21:45Z 置信度 0.70
• Planetary Atmospheres and Chemical Markers for Extraterrestrial Life
  crossref Lisa Kaltenegger 2012-10-26T11:27:44Z 置信度 0.70
• Chiral amino acids in meteorites strengthen evidence for extraterrestrial life
  crossref Richard Hoover 2010-09-27T19:54:04Z 置信度 0.70
• About the Contributors
  crossref 2025-11-21T13:18:47Z 置信度 0.70