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• A direct communication proposal to test the Zoo Hypothesis
  Whether we are alone in the universe is one of the greatest mysteries facing humankind. Given the >100 billion stars in our galaxy, many have argued that it is statistically unlikely that life, including intelligent life, has not emerged anywhere else. The …
  arxiv Joao Pedro de Magalhaes 2015-09-08T10:06:43Z 置信度 0.78 physics.pop-phastro-ph.EP
• Ferromagnetism of a graphite nodule from the Canyon Diablo meteorite
  There have recently been various reports of weak ferromagnetism in graphite (1,2) and synthetic carbon materials (3) such as rhombohedral C60 (4), as well as a theoretical prediction of a ferromagnetic instability in graphene sheets (5). With very small ferrom…
  arxiv J. M. D. Coey, M. Venkatesan, C. B. Fitzgerald, A. P. Douvalis 等 2002-11-14T12:16:33Z 置信度 0.78 cond-mat
• Introducing the Exoplanet Escape Factor and the Fishbowl Worlds (Two conceptual tools for the search of extra terrestrial civilizations)
  The search for extraterrestrial intelligence on exoplanets is a rich field of conceptual exploration. Author introduces two definitions that could help to narrow down the possibilities that an extraterrestrial civilization may or may not have initiated explora…
  arxiv Elio Quiroga Rodriguez 2024-05-11T14:58:06Z 置信度 0.78 physics.pop-ph
• The theoretical simulation of optical properties of crystals with statistically disordered arrangement of atoms and atomic groups on the basis of point-dipole model
  With using of point-dipole model the theoretical calculations of main refractive indices and orientation of indicatrix of 18 minerals are performed. The feature of studied minerals is the statistically disordered arrangement of CO3, SO4, SO2, PO4 groups and al…
  arxiv D. Yu. Popov, O. A. Popova 2003-04-03T14:56:34Z 置信度 0.78 physics.optics
• Infrared Absorption Investigations Confirm the Extraterrestrial Origin of Carbonado-Diamonds
  The first complete infrared FTIR absorption spectra for carbonado-diamond confirm the interstellar origin for the most enigmatic diamonds known as carbonado. All previous attempts failed to measure the absorption of carbonado-diamond in the most important IR-r…
  arxiv Jozsef Garai, Stephen E. Haggerty, Sandeep Rekhi, Mark Chance 2006-08-02T19:58:35Z 置信度 0.78 physics.space-phastro-ph
• Corrosion Monitoring On Zinc Electroplated Steel Using Shortwave Infrared Hyperspectral Imaging
  In this study, we investigate the use of hyperspectral imaging (HSI) to inspect the formation of corrosion products on galvanised carbon steel samples. Ten samples were subjected to an accelerated corrosion test with different exposure times. The analysis is p…
  arxiv Thomas De Kerf, Zohreh Zahiri, Paul Scheunders, Steve Vanlanduit 2022-06-23T10:05:12Z 置信度 0.78 physics.optics
• The Space Experiment of the Exo-ecosystem
  The experiment of exo-ecosystem and the exploration of extraterrestrial habitability aims to explore the adaptation of terrestrial life in space conditions for the manned space program and the future interstellar migration, which shows great scientific signifi…
  arxiv Zhu Liu, Duo Cui, Siyao Yang 2023-07-28T13:59:12Z 置信度 0.78 astro-ph.EPphysics.pop-ph
• Measurement of the Oxidation state of Fe in the ISM using X-ray Absorption Spectroscopy
  The oxidation state of iron in the interstellar medium (ISM) can provide constraints on the processes that operated on material in the protosolar disk. We used synchrotron-based X-ray absorption spectra of several mineral standards and two kinds of primitive e…
  arxiv Andrew J. Westphal, Anna L. Butterworth, John A. Tomsick, Zack Gainsforth 2018-05-15T17:22:52Z 置信度 0.78 astro-ph.EPastro-ph.CO
• Zircon survival in shallow asthenosphere and deep lithosphere
  Zircon is the most frequently used mineral for dating terrestrial and extraterrestrial rocks. However, the system of zircon in mafic/ultramafic melts has been rarely explored experimentally and most existing models based on the felsic, intermediate and/or synt…
  arxiv Anastassia Y. Borisova, Ilya N. Bindeman, Mike Toplis, Nail Zagrtdenov 等 2020-01-15T14:15:17Z 置信度 0.78 cond-mat.mtrl-sciastro-ph.EP
• Investigation of dust grains by optical tweezers for space applications
  Cosmic dust plays a dominant role in the universe, especially in the formation of stars and planetary systems. Furthermore, the surface of cosmic dust grains is the bench-work where molecular hydrogen and simple organic compounds are formed. We manipulate indi…
  arxiv A. Magazzù, D. Bronte Ciriza, A. Musolino, A. Saidi 等 2022-09-30T22:15:44Z 置信度 0.78 astro-ph.IMphysics.optics
• Physico-thermal and geochemical behavior and alteration of the Au indicator gangue hydrothermal quartz at the Kubi Gold Ore Deposits
  Altered and gangue quartz in hydrothermal veins from the Kubi Gold deposit in Dunkwa on Offin in the central region of Ghana are investigated for possible Au-associated indicator minerals and to provide the understanding and increase the knowledge of the miner…
  arxiv Gabriel K. Nzulu, Lina Rogström, Jun Lu, Hans Högberg 等 2024-10-10T11:31:03Z 置信度 0.78 physics.geo-phcond-mat.mtrl-sci
• The Fermi Paradox is Neither Fermis Nor a Paradox
  The so-called Fermi paradox claims that if technological life existed anywhere else, we would see evidence of its visits to Earth-and since we do not, such life does not exist, or some special explanation is needed. Enrico Fermi, however, never published anyth…
  arxiv Robert H. Gray 2016-04-02T14:38:55Z 置信度 0.78 physics.pop-ph
• Design of Engineered Living Materials for Martian Construction
  As the next step in extraterrestrial exploration, many engineers and scientists around the country revealed their intense interest to enable multiplanetary human life, including colonizing Mars. This study proposes that architecture on Mars can be realized by …
  arxiv Nisha Rokaya, Erin C. Carr, Richard A. Wilson, Congrui Jin 2025-02-03T17:12:25Z 置信度 0.78 q-bio.OTcond-mat.mtrl-sciq-bio.CB
• SETI and muon collider
  Intense neutrino beams that accompany muon colliders can be used for interstellar communications. The presence of multi-TeV extraterrestrial muon collider at several light-years distance can be detected after one year run of IceCube type neutrino telescopes, i…
  arxiv Z. K. Silagadze 2008-03-04T10:53:14Z 置信度 0.78 physics.pop-phastro-ph
• Turbulence and Bifurcation in the Motion of an Hydrocyclone
  The hydrocyclone is a tool used in different fields but mostly in mining industries to separate minerals. The minerals are put in a liquid or in a stable suspension of a chosen density which must be less than the density of the heavier minerals and greater tha…
  arxiv Maria Morandi Cecchi, Luca Salasnich 1998-03-25T17:19:37Z 置信度 0.78 nlin.CD
• Working Paper: Conflicts and the New Scramble for African Resources -- A Shift-Share Approach
  This paper estimates the causal effect of mineral trade on conflicts in Africa using a Shift-Share IV approach based on an exogenous price-commodity shock. The main result is that an increase in mineral trade significantly increases the number of conflicts whi…
  arxiv Raphaël Boulat 2024-08-15T14:44:11Z 置信度 0.78 econ.GN
• Extraterrestrial Life and Censorship
  In this article I chronicle a series of landmark events, with which I was personally involved, that relate to the development of the theory of cosmic life. The interpretation of events offered here might invite a sense of incredulity on the part of the reader,…
  arxiv N. Chandra Wickramasinghe 2011-04-07T12:27:58Z 置信度 0.78 astro-ph.CO
• A Possible Carbon-rich Interior in Super-Earth 55 Cancri e
  Terrestrial planets in the solar system, such as the Earth, are oxygen-rich, with silicates and iron being the most common minerals in their interiors. However, the true chemical diversity of rocky planets orbiting other stars is yet unknown. Mass and radius m…
  arxiv Nikku Madhusudhan, Kanani K. M. Lee, Olivier Mousis 2012-10-09T20:00:00Z 置信度 0.78 astro-ph.EPphysics.geo-ph
• Cosmic Contact Censorship
  Till date we have not made Contact with any Extraterrestrial civilizations. The Fermi Paradox remains a paradox - the Great Silence prevails. In the light of the Rare Earth hypothesis, it seems that advanced life is exceedingly rare in the universe. Also, if t…
  arxiv Pushkar Ganesh Vaidya 2007-02-20T17:19:31Z 置信度 0.78 physics.gen-ph
• Can plants grow on the Moon and Mars: seed germination enhancement using magnesium oxide coated halloysite nanotubes (MgO HNTs)
  This study examines the application of metal coated nanotubes, specifically magnesium oxide coated halloysite nanotubes (MgO HNTs), to enhance seed germination and early plant development under Earth, lunar, and Martian soil conditions. MgO HNTs were synthesiz…
  arxiv Zeinab Jabbari Velisdeh, David K. Mills 2025-12-18T02:00:06Z 置信度 0.78 q-bio.QM
• The Periodic Table as a Part of the Periodic Table of Chemical Compounds
  The numbers of natural chemical elements, minerals, inorganic and organic chemical compounds are determined by 1, 2, 3 and 4-combinations of a set 95 and are respectively equal to 95, 4,465, 138,415 and 3,183,545. To explain these relations it is suggested the…
  arxiv Mikhail M. Labushev 2011-03-21T11:09:08Z 置信度 0.78 physics.geo-phphysics.data-an
• Role of spectral resolution for infrared asteroid compositional analysis using meteorite spectra
  In this work the potential mineral identification of meteorites is analysed for the mid-infrared range, to evaluate observational possibilities for future missions targeting small body surfaces. Three carbonaceous and three ordinary chondrite meteorites are ex…
  arxiv A. Skulteti, A. Kereszturi, Zs. Kereszty, B. Pal 等 2020-05-25T09:31:39Z 置信度 0.78 astro-ph.EPastro-ph.IM
• Search for Terrestrial Intelligence
  The existence of intelligent extraterrestrial life forms among the thousands of billions of galaxies that dance in the Universe is beyond doubt. Meeting with one of them is only a matter of time. SETI (Search for Extraterrestrial Intelligence) has been searchi…
  arxiv Olivier Auber 2017-08-21T13:23:51Z 置信度 0.78 physics.pop-ph
• Efficient Adaptation of Deep Neural Networks for Semantic Segmentation in Space Applications
  In recent years, the application of Deep Learning techniques has shown remarkable success in various computer vision tasks, paving the way for their deployment in extraterrestrial exploration. Transfer learning has emerged as a powerful strategy for addressing…
  arxiv Leonardo Olivi, Edoardo Santero Mormile, Enzo Tartaglione 2025-04-22T15:53:59Z 置信度 0.78 cs.CVcs.LG
• Heavy-element paleodetectors for Higgsino dark matter
  Paleodetectors have been proposed as a new approach to direct detection of weakly interacting massive particles (WIMPs), through the search for damage tracks in ancient minerals induced by WIMP-nucleon scattering. However, for inelastic dark matter such as the…
  arxiv Peter W. Graham, Harikrishnan Ramani, Samuel S. Y. Wong 2026-06-03T18:00:09Z 置信度 0.78 hep-phastro-ph.COastro-ph.GAhep-ex
• Naturally occurring van der Waals materials
  The exfoliation of two naturally occurring van der Waals minerals, graphite and molybdenite, arouse an unprecedented level of interest by the scientific community and shaped a whole new field of research: 2D materials research. Several years later, the family …
  arxiv Riccardo Frisenda, Yue Niu, Patricia Gant, Manuel Muñoz 等 2020-10-24T06:35:39Z 置信度 0.78 cond-mat.mtrl-scicond-mat.mes-hallphysics.app-ph
• On the likelihood of non-terrestrial artifacts in the Solar System
  Extraterrestrial technology may exist in the Solar System without our knowledge. This is because the vastness of space, combined with our limited searches to date, implies that any remote unpiloted exploratory probes of extraterrestrial origin would likely rem…
  arxiv Jacob Haqq-Misra, Ravi Kumar Kopparapu 2011-11-04T18:51:58Z 置信度 0.78 physics.pop-phastro-ph.EPastro-ph.IM
• MR PRISM - Spectral Analysis Tool for the CRISM
  We describe a computer application designed to analyze hyperspectral data collected by the Compact Infrared Spectrometer for Mars (CRISM). The application links the spectral, imaging and mapping perspectives on the eventual CRISM dataset by presenting the user…
  arxiv Adrian J. Brown, Michael Storrie-Lombardi 2014-01-28T05:47:28Z 置信度 0.78 astro-ph.IMastro-ph.EP
• Hybrid DiffractGPT-Rietveld Refinement Framework for Automated X-ray Diffraction Analysis
  X-ray diffraction (XRD) is fundamental to structural materials characterization, yet transforming a raw powder pattern into a refined crystal structure still demands considerable domain expertise. We present AGAPI-XRD, a hybrid framework integrating DiffractGP…
  arxiv Charles Rhys Campbell, Justin Ely, Jaehyung Lee, Frank M. Abel 等 2026-07-09T19:28:26Z 置信度 0.78 cond-mat.mtrl-sci
• Activators of Luminescence in Speleothems as Source of Major Mistakes in Interpretation of Luminescent Paleoclimatic Records
  This work summarizes the main results of the operation of the International Program Luminescence of Cave Minerals of the commission on Physical Chemistry and Hydrogeology of Karst of UIS of UNESCO in the field of activators of speleothem luminescence. It discu…
  arxiv Y. Y. Shopov 2009-09-08T18:23:37Z 置信度 0.78 physics.geo-ph
• Drift Rates of Narrowband Signals in Long-term SETI Observations for Exoplanets
  The Doppler shift of a radio signal is caused by the relative motion between the transmitter and receiver. The change in frequency of the signal over time is called drift rate. In the studies of radio SETI (Search for Extraterrestrial Intelligence), extraterre…
  arxiv Jian-Kang Li, Haichen Zhao, Zhenzhao Tao, Tong-Jie Zhang 等 2022-08-04T07:45:36Z 置信度 0.78 astro-ph.IM
• The Breakthrough Listen Search for Intelligent Life: A 3.95-8.00 GHz Search for Radio Technosignatures in the Restricted Earth Transit Zone
  We report on a search for artificial narrowband signals of 20 stars within the restricted Earth Transit Zone as a part of the ten-year Breakthrough Listen (BL) search for extraterrestrial intelligence. The restricted Earth Transit Zone is the region of the sky…
  arxiv Sofia Z. Sheikh, Andrew Siemion, J. Emilio Enriquez, Danny C. Price 等 2020-02-14T18:26:49Z 置信度 0.78 astro-ph.EPastro-ph.IM
• Expanding World Views: Can SETI expand its own horizons and that of Big History too?
  The Search for Extraterrestrial Intelligence (SETI) is a research activity that started in the late 1950s, predating the arrival of "Big History" and "Astrobiology" by several decades. Many elements first developed as part of the original SETI narrative are no…
  arxiv Michael A. Garrett 2021-01-19T16:45:14Z 置信度 0.78 physics.pop-ph
• Formation of extraterrestrial peptides and their derivatives
  The formation of protein precursors, due to the condensation of atomic carbon under the low-temperature conditions of the molecular phases of the interstellar medium, opens alternative pathways for the origin of life. We perform peptide synthesis under conditi…
  arxiv Serge A. Krasnokutski, Cornelia Jager, Thomas Henning, Claude Geffroy 等 2024-04-30T15:53:10Z 置信度 0.78 physics.bio-phastro-ph.EPastro-ph.GAphysics.chem-ph
• Capillary processes in extraterrestrial contexts
  The Earth is no longer the only known celestial body containing one or more liquid phases. The Cassini spacecraft has discovered seas of hydrocarbons at the surface of Titan, while a series of corroborating evidences argue in favour of the existence of an aque…
  arxiv Daniel Cordier, Gerard Liger-Belair, David A. Bonhommeau, Thomas Seon 等 2024-04-29T22:29:54Z 置信度 0.78 astro-ph.EPphysics.geo-ph
• Life-Detection Technologies for the Next Two Decades
  Since its inception six decades ago, astrobiology has diversified immensely to encompass several scientific questions including the origin and evolution of Terran life, the organic chemical composition of extraterrestrial objects, and the concept of habitabili…
  arxiv Chaitanya Giri, Tony Z. Jia, H. James Cleaves, Tomohiro Usui 等 2018-10-14T12:35:38Z 置信度 0.78 astro-ph.EP
• The Extraterrestrial Life debate in different cultures
  Surprisingly, the question "Is there Life in the Universe outside Earth?" has been raised, in rational terms, almost only in the western literature throughout the ages. In a first part I justify this statement. Then I try to develop an explanation of this fact…
  arxiv Jean Schneider 2010-03-01T08:38:27Z 置信度 0.78 physics.hist-phastro-ph.EPphysics.pop-ph
• Smectite phase separation is driven by emergent interfacial dynamics
  Smectite clay minerals have an outsize impact on the response of clay-rich media to common stimuli, such as water imbibition and ion exchange, motivating extensive effort to understand microscopic behaviors resulting from these processes such as swelling and e…
  arxiv Michael L. Whittaker, Laura N. Lammers, Christophe Tournassat, Benjamin Gilbert 2022-03-18T19:09:27Z 置信度 0.78 cond-mat.softcond-mat.mes-hall
• SET-E: The Search for Extraterrestrial Environmentalism
  There is currently no evidence for life on any known exoplanet. Here, we propose a form of "galactic anthropology" to detect not only the existence of life on transiting exoplanets, but also the existence of environmentalism movements. By observing the planet'…
  arxiv Benjamin Montet, Ryan Loomis 2016-03-31T00:46:15Z 置信度 0.78 astro-ph.EP
• Impact of technological synchronicity on prospects for CETI
  For over 50 years, astronomers have searched the skies for evidence of electromagnetic signals from extraterrestrial civilizations that have reached or surpassed our level of technological development. Although often overlooked or given as granted, the paralle…
  arxiv Marko Horvat, Anamari Nakić, Ivana Otočan 2011-12-02T10:52:24Z 置信度 0.78 physics.pop-phastro-ph.EP
• COMPARATIVE ASTROBIOLOGY
  crossref 2023-09-19T14:13:10Z 置信度 0.70
• <title>Instrument technologies for the detection of extraterrestrial interstellar robotic probes</title>
  In the continuing endeavor to detect evidence of ETI (Extraterrestrial Intelligence) in the solar neighborhood, instrument technologies now exist that allow the formation of a scientific method to carry out a search for interstellar robotic probes of possible …
  crossref Scot L. Stride 2003-11-19T21:02:25Z 置信度 0.70
• <title>L factor: hope and fear in the search for extraterrestrial intelligence</title>
  The L factor in the Drake equation is widely understood to account for most of the variance in estimates of the number of extraterrestrial intelligences that might be contacted by the search for extraterrestrial intelligence (SETI). It is also among the hardes…
  crossref Charles T. Rubin 2003-11-19T21:02:25Z 置信度 0.70
• Preface
  crossref Douglas A. Vakoch 2024-09-07T20:46:30Z 置信度 0.70
• Extraterrestrial life in the Solar System?
  We can hardly sweep off into outer space without taking a quick look at possible habitats elsewhere in the Solar System. A whole book could easily be written on this alone, and many have been, but my focus in this Chapter is to see what the Solar System teache…
  crossref 2008-09-01T23:48:50Z 置信度 0.70
• Extraterrestrial Microfossils in Meteorites and the Panspermia Hypothesis
  I review the experiments by Stanley Miller and Sidney Fox on the production of amino acids and unicellular forms under primitive terrestrial atmosphere conditions. I continue with a review of the evidence for and against unicellular organisms in the Orgueil me…
  crossref Rainer Walter Kühne 2019-03-11T06:05:03Z 置信度 0.70
• 3. Ionospheric Scintillation of Radio Waves of Extraterrestrial Origin
  crossref 2014-04-02T20:29:12Z 置信度 0.70
• Cross-Scale Multimodal Imaging for Organic Matter in Extraterrestrial Samples
  The analysis of extraterrestrial organic matter in samples returned by space missions provides a unique opportunity to study prebiotic chemistry. A comprehensive understanding of the occurrence and composition of organic matter is fundamental to unraveling its…
  crossref 2025-03-18T23:50:16Z 置信度 0.70
• Table of Contents
  crossref 2023-09-01T20:21:45Z 置信度 0.70
• EXTRATERRESTRIAL SOLAR IRRADIATION
  crossref Muhammad Iqbal 2012-12-03T12:30:56Z 置信度 0.70
• Extraterrestrial Relativism
  This paper suggests that today’s twin scientific interests in the extreme and extraterrestrial ground a novel kind of relativism, which I call extraterrestrial relativism, a relativism about “nature” over culture—and, more, about Earthly, even cosmic, nature. …
  crossref Stefan Helmreich 2012-11-04T14:00:09Z 置信度 0.70
• Permafrost Model of Extraterrestrial Habitat
  crossref David A. Gilichinsky 2011-09-11T22:56:50Z 置信度 0.70
• <title>Philosophical perspectives on the problem of extraterrestrial signal detection</title>
  SETI (the Search for Extra-Terrestrial Intelligence) is a unique scientific activity. Given that SETI researchers purport to study a phenomenon that has as of yet not been demonstrated to exist, some commentators claim that the field cannot in fact be called '…
  crossref Arthur C. Fricke 2003-11-19T21:02:25Z 置信度 0.70
• Why Earth? The Exoplanet Proximity Argument against Extraterrestrial Origins of UAP Author
  <span> <p><span>The extraterrestrial hypothesis (ETH) for Unidentified Anomalous Phenomena (UAP) assumes advanced civilizations from distant star systems visit Earth, despite enormous logistical and physical barriers to interstellar travel. R…
  crossref Greg Pasden 2026-03-10T10:45:58Z 置信度 0.70
• RECOVERED EXTRATERRESTRIAL MATERIAL
  crossref D. MAPPER, A.A. SMALES 2013-11-18T09:21:25Z 置信度 0.70
• BIBLIOGRAPHY OF EXTRATERRESTRIAL RADIO NOISE. SUPPLEMENT FOR 1952
  crossref MARTHA S. CARPENTER 2017-09-15T12:36:04Z 置信度 0.70
• Part V Extraterrestrial Volcanism
  crossref Haraldur Sigurdsson 2015-03-27T19:22:47Z 置信度 0.70
• Extraterrestrial Life
  crossref 2008-05-23T09:45:27Z 置信度 0.70
• NASA report finds no evidence that UFOs are extraterrestrial
  crossref Chris Impey 2025-08-25T10:03:16Z 置信度 0.70
• Extraterrestrial Kafka: Ahead to the Graphic Novel
  For Kafka, there is always something out of this world, meaning radically weird and inexhaustible, about Kafka that arrives in broad strokes and tiny splashes. Kafka was uncannily attuned to the systematic restructuring ensuing from nineteenth-century colonial…
  crossref Henry Sussman 2011-12-01T16:53:40Z 置信度 0.70
• Index
  crossref 2026-02-08T10:49:07Z 置信度 0.70
• Extraterrestrial Delivery (Organic Compounds)
  crossref André Brack 2011-06-29T17:19:58Z 置信度 0.70
• Extraterrestrial Nanodiamonds in the Cosmos
  openalex Tyrone L. Daulton, T. L. Daulton 2006-01-01 置信度 0.72 Presolar grainsStarsAstronomyGalaxyAstrobiology
• Rationale for the water hole
  crossref B.M. OLIVER 2013-11-18T12:35:58Z 置信度 0.70
• Table of Contents
  crossref 2023-09-19T14:13:10Z 置信度 0.70
• Accretion of Extraterrestrial Matter Throughout Earth’s History
  crossref 2011-05-20T04:56:39Z 置信度 0.70
• Spallation reactions in extraterrestrial matter
  This paper describes the cosmic-ray-induced production of stable and radioactive residual nuclides, the so-called cosmogenic nuclides. In extraterrestrial solar-system matter, i.e. planetary surfaces, meteorites, cosmic dust and the heavy component of the gala…
  crossref Rolf Michel 2009-04-10T20:05:53Z 置信度 0.70
• Search for Extraterrestrial Life
  crossref Richard M. West 2012-06-13T13:49:14Z 置信度 0.70
• High-energy neutrinos of extraterrestrial origin
  crossref David Eichler 2008-08-05T14:50:29Z 置信度 0.70
• Extraterrestrial Life (Searching for)
  crossref Jill Tarter 2009-10-30T19:44:15Z 置信度 0.70
• Alien Worlds
  crossref 2026-02-08T10:49:07Z 置信度 0.70
• Xenolinguistic Fieldwork
  Broadly speaking, “fieldwork” is collecting data for analysis from a natural context. It involves the collection of primary data by researchers directly from language users, and usually combines participant observation, structured quasi-experimental tasks, tra…
  crossref Claire Bowern 2023-07-07T15:19:34Z 置信度 0.70
• Extraterrestrial Abode
  crossref Willie Jones 2011-11-01T20:54:27Z 置信度 0.70
• The Search for Extraterrestrial Life
  For many millennia, humans have gazed up in wonder at the night-time sky. The full panoply of the Milky Way is an awesome sight. The scale of space is immense. Is there life out there somewhere? If so, where, and what form does it take? In the space of a coupl…
  crossref 2022-10-28T00:05:45Z 置信度 0.70
• Fermi's Paradox
  One of the strongest arguments against the existence of intelligent civilizations within our own Galaxy is Fermi's ‘Where is everybody?’—or ‘If they existed they would be here’. Following Webb, this argument is explained and then responses to it are assessed, …
  crossref David Wilkinson 2013-10-01T15:49:15Z 置信度 0.70
• Discovery of Extraterrestrial Life
  crossref Klara Anna Capova 2022-10-14T14:16:12Z 置信度 0.70
• Back Matter
  crossref 2023-09-19T14:13:10Z 置信度 0.70
• An Extraterrestrial
  The Woman with the Flying Head - 1 - (Kubi no tobu onna (1985))
  crossref 2020-12-25T07:00:10Z 置信度 0.70
• Introduction
  Abstract What freedoms can people expect in space and how will governance beyond Earth tread the fine line between authority and liberty? In this multi-author book, the contributors consider all aspects of liberty beyond Earth, from the near term: freedom to c…
  crossref Charles S. Cockell 2023-01-18T22:01:46Z 置信度 0.70
• Extraterrestrial Intelligence
  crossref D. M. Raup 2006-10-05T06:51:10Z 置信度 0.70
• Front Matter
  crossref 2023-09-19T14:13:10Z 置信度 0.70
• A bright outlook for helio- and asteroseismology
  As documented in the following, very substantial results have already been obtained from helio- and asteroseismology, based on huge observational projects, such as the GONG project, the helioseismic instruments on the Solar and Heliospheric Observatory (SOHO) …
  crossref J. Christensen-Dalsgaard 2015-07-05T05:03:51Z 置信度 0.70
• Extraterrestrial Delivery of Organic Compounds
  crossref André Brack 2015-05-29T12:00:20Z 置信度 0.70
• Extraterrestrial Life
  crossref 2004-09-14T10:09:56Z 置信度 0.70
• Obtaining Extraterrestrial Dust by Balloon Probes
  crossref L. Baufette 2011-11-18T19:19:48Z 置信度 0.70
• Extraterrestrial Mössbauer Spectroscopy
  crossref Göstar Klingelhöfer 2012-01-16T10:29:29Z 置信度 0.70
• 7.36 Extraterrestrial Hillslope Processes
  crossref N.L. Lanza, H.E. Newsom 2013-03-05T16:35:43Z 置信度 0.70
• Space Weather and the Extraterrestrial Planets
  Space weather for the extraterrestrial planets, just as at Earth, takes many different forms. This chapter covers a wide range of interplanetary and planetary space weather environments with particular stress on the characteristics of concern in the design of …
  crossref Henry B. Garrett 2016-11-22T11:51:39Z 置信度 0.70
• EXTRATERRESTRIAL OTHERS
  crossref 2025-10-28T21:24:42Z 置信度 0.70
• List of Illustrations
  crossref 2023-09-01T20:21:45Z 置信度 0.70
• References
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• Front Matter
  crossref 2026-02-08T10:49:07Z 置信度 0.70
• Extraterrestrial Delivery of Organic Compounds
  crossref André Brack 2016-02-25T17:17:33Z 置信度 0.70
• List of Illustrations
  crossref 2023-09-19T14:13:10Z 置信度 0.70
• What is the search for extraterrestrial intelligence actually looking for?
  crossref Charley Lineweaver 2025-08-26T09:44:47Z 置信度 0.70
• Enlightenment beyond Earth
  Abstract This chapter argues that the Enlightenment concept of ‘sympathy’, in particular as found in Adam Smith and David Hume, as the quality necessary for the creation of any kind of sociability, will be of still greater value in any possible future extrater…
  crossref Anthony Pagden 2023-01-19T03:01:46Z 置信度 0.70
• USING NATURE’S TELESCOPE
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