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• Measuring Changes in the Atmospheric Neutrino Rate Over Gigayear Timescales
  Measuring the cosmic ray flux over timescales comparable to the age of the solar system, $\sim 4.5\,$Gyr, could provide a new window on the history of the Earth, the solar system, and even our galaxy. We present a technique to indirectly measure the rate of co…
  arxiv Johnathon R. Jordan, Sebastian Baum, Patrick Stengel, Alfredo Ferrari 等 2020-04-17T18:00:01Z 置信度 0.78 hep-phastro-ph.GAastro-ph.HEastro-ph.IMhep-ex
• Very high efficiency of low cost graphite-based solar cell by improving the fill factor using optimal ion concentration in polymer electrolyte
  We report the development of graphite-based solar cells using a simple method and low cost materials. Suspension of graphite powder in mineral water was simply dropped onto the surface of fluorine-doped tin oxide glass (FTO) to form a thick film. Surprisingly,…
  arxiv Dui Yanto Rahman, Fisca Dian Utami, Asep Ridwan Setiawan, Euis Sustini 等 2018-03-21T00:27:34Z 置信度 0.78 physics.app-phcond-mat.mtrl-sci
• Effects of clays on spin-spin relaxation: a route for non-invasive total clay content quantification
  Clay minerals are important components of sandstone rocks, due to their significant role in petrophysical properties like porosity and permeability. These minerals have a particular impact on Nuclear Magnetic Resonance measurements since the iron inside clays …
  arxiv Jefferson G. Filgueiras, Matheus S. J. de Miranda, Carla S. Semiramis, Rodrigo B. V. de Azeredo 2023-07-03T18:00:01Z 置信度 0.78 physics.geo-phphysics.app-ph
• Multibeam SETI Observations toward Nearby M dwarfs with FAST
  The search for extraterrestrial intelligence (SETI) targeted searches aim to observe specific areas and objects to find possible technosignatures. Many SETI researches have focused on nearby stars and their planets in recent years. In this paper, we report a t…
  arxiv Xiao-Hang Luan, Bo-Lun Huang, Zhen-Zhao Tao, Yan Cui 等 2025-02-27T03:49:29Z 置信度 0.78 astro-ph.IMastro-ph.EP
• On the Origin and Evolution of Life in the Galaxy
  A simple stochastic model for evolution, based upon the need to pass a sequence of n critical steps (Carter 1983, Watson 2008) is applied to both terrestrial and extraterrestrial origins of life. In the former case, the time at which humans have emerged during…
  arxiv Michael McCabe, Holly Lucas 2011-03-17T17:39:39Z 置信度 0.78 astro-ph.EPastro-ph.CO
• Flavor revolution at ICECUBE horizons?
  Recently (May-November 2013) highest energy neutrino events have been presented by ICECUBE. Most (21) of all these (28) events are cascades shower whose flux exhibits a sharp hardening respect other lower energy atmospheric neutrino component, events suggestin…
  arxiv Daniele Fargion, Paolo Paggi 2013-10-14T01:55:45Z 置信度 0.78 astro-ph.HEastro-ph.IMhep-phnucl-ex
• How far are Extraterrestrial Life and Intelligence after Kepler ?
  The Kepler mission has shown that a significant fraction of all stars may have an Earth-size habitable planet. A dramatic support was the recent detection of Proxima Centauri b. Using a Drake-equation like formalism I derive an equation for the abundance of bi…
  arxiv Amri Wandel 2016-12-12T18:43:22Z 置信度 0.78 astro-ph.EP
• Detection of a 2.85 micrometer Feature on 5 Spinel-rich Asteroids from JWST
  Ground-based observations of `Barbarian' L-type asteroids at 1 to 2.5-$μ$m indicate that their near-infrared spectra are dominated by the mineral spinel, which has been attributed to a high abundance of calcium-aluminum inclusions (CAIs) -- the first solids to…
  arxiv Jonathan Gomez Barrientos, Katherine de Kleer, Bethany L. Ehlmann, Francois L. H. Tissot 等 2024-05-20T18:00:01Z 置信度 0.78 astro-ph.EPphysics.geo-ph
• AKARI/IRC Near-Infrared Asteroid Spectroscopic Survey: AcuA-spec
  Knowledge of water in the solar system is important for understanding of a wide range of evolutionary processes and the thermal history of the solar system. To explore the existence of water in the solar system, it is indispensable to investigate hydrated mine…
  arxiv Fumihiko Usui, Sunao Hasegawa, Takafumi Ootsubo, Takashi Onaka 2018-10-09T06:23:11Z 置信度 0.78 astro-ph.EP
• Super-Resolution of 3D Micro-CT Images Using Generative Adversarial Networks: Enhancing Resolution and Segmentation Accuracy
  We develop a procedure for substantially improving the quality of segmented 3D micro-Computed Tomography (micro-CT) images of rocks with a Machine Learning (ML) Generative Model. The proposed model enhances the resolution eightfold (8x) and addresses segmentat…
  arxiv Evgeny Ugolkov, Xupeng He, Hyung Kwak, Hussein Hoteit 2025-01-12T21:33:06Z 置信度 0.78 eess.IVcs.CVcs.LG
• The most sensitive SETI observations toward Barnard's star with FAST
  Search for extraterrestrial intelligence (SETI) has been mainly focused on nearby stars and their planets in recent years. Barnard's star is the second closest star system to the sun and the closest star in the FAST observable sky which makes the minimum Equiv…
  arxiv Zhen-Zhao Tao, Bo-Lun Huang, Xiao-Hang Luan, Jian-Kang Li 等 2023-09-27T03:13:26Z 置信度 0.78 astro-ph.IMastro-ph.SR
• Modification of streaming potential by precipitation of calcite in a sand-water system: laboratory measurements pH range from 4 to 12
  Spontaneous Potentials associated with volcanic activity are often interpreted by means of the electrokinetic potential, which is usually positive in the flow direction (i.e. Zeta potential of the rock is negative). The water-rock interactions in hydrothermal …
  arxiv Xavier Guichet, Laurence Jouniaux, Nicole Catel 2006-10-26T10:38:56Z 置信度 0.78 physics.geo-ph
• Biotechnology and the lifetime of technical civilizations
  The number of people able to end Earth's technical civilization has heretofore been small. Emerging dual-use technologies, such as biotechnology, may give similar power to thousands or millions of individuals. To quantitatively investigate the ramifications of…
  arxiv John G. Sotos 2017-09-04T20:41:41Z 置信度 0.78 physics.pop-ph
• The Spider Stellar Engine: a Fully Steerable Extraterrestrial Design?
  A long-lived civilization will inevitably have to migrate towards a nearby star as its home star runs out of nuclear fuel. One way to achieve such a migration is by transforming its star into a stellar engine, and to control its motion in the galaxy. We first …
  arxiv Clément Vidal 2024-11-06T17:34:08Z 置信度 0.78 astro-ph.HE
• Sensitive Multi-beam Targeted SETI Observations towards 33 Exoplanet Systems with FAST
  As a major approach to looking for life beyond the Earth, the search for extraterrestrial intelligence (SETI) is committed to detecting technosignatures such as engineered radio signals that are indicative of technologically capable life. In this paper, we rep…
  arxiv Zhen-Zhao Tao, Hai-Chen Zhao, Tong-Jie Zhang, Vishal Gajjar 等 2022-08-04T03:13:29Z 置信度 0.78 astro-ph.EPastro-ph.IM
• Nitrogen Dioxide Pollution as a Signature of Extraterrestrial Technology
  Nitrogen dioxide (NO$_2$) on Earth today has biogenic and anthropogenic sources. During the COVID-19 pandemic, observations of global NO$_2$ emissions have shown significant decrease in urban areas. Drawing upon this example of NO$_2$ as an industrial byproduc…
  arxiv Ravi Kopparapu, Giada Arney, Jacob Haqq-Misra, Jacob Lustig-Yaeger 等 2021-02-09T18:45:37Z 置信度 0.78 astro-ph.EPastro-ph.IMphysics.pop-ph
• An autonomous ore packing system through deep reinforcement learning
  openalex He Ren, Rui Zhong 2024-02-03 置信度 0.72 Reinforcement learningComputer scienceSoftware deploymentLeverage (statistics)Near-Earth object
• Deep Blue Retrievals of Asian Aerosol Properties During ACE-Asia
  During the ACE-Asia field campaign, unprecedented amounts of aerosol property data in East Asia during springtime were collected from an array of aircraft, shipboard, and surface instruments. However, most of the observations were obtained in areas downwind of…
  openalex N. C. Hsu, S. Tsay, Michael D. King, J. R. Herman 2006-10-30 置信度 0.72 AerosolAERONETSeaWiFSEnvironmental scienceModerate-resolution imaging spectroradiometer
• Characterization of weathering and heterogeneous mineral phase distribution in brachinite Northwest Africa 4872
  Abstract Terrestrial weathering of hot desert achondrite meteorite finds and heterogeneous phase distributions in meteorites can complicate interpretation of petrological and geochemical information regarding parent‐body processes. For example, understanding t…
  openalex B. C. Hyde, James M.D. Day, K. T. Tait, R. D. Ash 等 2014-06-10 置信度 0.72 TroiliteGeologyOlivinePyroxeneMeteorite
• A Bayesian approach to the deconvolution of 40Ar/39Ar data from mineral mixtures
  openalex John N. Carter, Marissa M. Tremblay, Darren F. Mark 2020-07-29 置信度 0.72 GeologyBayesian probabilityGeochronologyCompositional dataSpurious relationship
• Instruments and methods to search for extraterrestrial life
  Is Life restricted to the Planet Earth? or Does life exist elsewhere in the Cosmos? The existence of extraterrestrial life is the fundamental question of Astrobiology. Detecting evidence for living organisms beyond our planet is even more difficult than findin…
  openalex Richard B. Hoover 2015-09-21 置信度 0.72 Extraterrestrial lifeAstrobiologyMeteoritePlanetLife on Mars
• Spinel group minerals in carbonaceous and ordinary chondrites
  Meteorites are easily altered in the oxygen-rich environment on the Earth surface. Fossil meteorites are thus uncommon and in the ones, which are found, almost all minerals are secondary. However, the spinel group mineral chromite is resistant to alteration an…
  openalex M. E. I. Riebe 2009-01-01 置信度 0.72 ChondriteChromiteSpinelMeteoriteChondrule
• High‐resolution microstructural and compositional analyses of shock deformed apatite from the peak ring of the Chicxulub impact crater
  Abstract The mineral apatite, Ca5(PO4)3(F,Cl,OH), is a ubiquitous accessory mineral, with its volatile content and isotopic compositions used to interpret the evolution of H2O on planetary bodies. During hypervelocity impact, extreme pressures shock target roc…
  openalex M. A. Cox, Timmons M. Erickson, M. Schmieder, R. Christoffersen 等 2020-08-01 置信度 0.72 Impact craterGeologyApatiteShock (circulatory)Mineralogy
• TOF-SIMS in cosmochemistry
  openalex T. Stephan 2001-08-01 置信度 0.72 MicroprobeCosmochemistrySecondary ion mass spectrometryInterplanetary dust cloudMass spectrometry
• From lunar regolith to oxygen and structural materials: an integrated conceptual design
  Abstract To enable a long-term presence of humans in space, it is essential to use extraterrestrial raw materials to reduce the need for transporting resources or produced materials from Earth. In recent years, a lot of research has been conducted on different…
  openalex Alexandra Radl, Ksenija Milicevic Neumann, Hermann Wotruba, Elisabeth Clausen 等 2022-07-30 置信度 0.72 RegolithRaw materialProcess engineeringIlmeniteProcess (computing)
• Viable cyanobacteria in the deep continental subsurface
  Cyanobacteria are ecologically versatile microorganisms inhabiting most environments, ranging from marine systems to arid deserts. Although they possess several pathways for light-independent energy generation, until now their ecological range appeared to be r…
  openalex Fernando Puente‐Sánchez, Alejandro Arce‐Rodríguez, Monike Oggerin, Miriam García‐Villadangos 等 2018-10-01 置信度 0.72 BiosphereCyanobacteriaMetagenomicsEcologyArid
• The Alvarez Impact Theory of Mass Extinction; Limits to its Applicability and the “Great Expectations Syndrome”
  For the past three decades, the Alvarez impact theory of mass extinction, causally related to catastrophic meteorite impacts, has been recurrently applied to multiple extinction boundaries. However, these multidisciplinary research efforts across the globe hav…
  openalex Grzegorz Racki 2012-02-24 置信度 0.72 Extinction eventExtinction (optical mineralogy)GeologyOceanographyPaleontology
• Mini-Review: Probing the limits of extremophilic life in extraterrestrial environment-simulated experiments
  Abstract Astrobiology is a relatively recent scientific field that seeks to understand the origin and dynamics of life in the Universe. Several hypotheses have been proposed to explain life in the cosmic context throughout human history, but only now, technolo…
  openalex Claudia A.S. Lage, Gabriel Z.L. Dalmaso, Lia C.R.S. Teixeira, Amanda G. Bendia 等 2012-08-16 置信度 0.72 AstrobiologyExtraterrestrial lifeExtremophileAbiogenesisContext (archaeology)
• Solar radiation measurements compared to simulations at the BSRN Izaña station. Mineral dust radiative forcing and efficiency study
  This paper presents a comparative study of shortwave downward radiation (SDR) measurements and simulations, obtained with the radiative transfer model LibRadtran, at the Baseline Surface Radiation Network (BSRN) site of Izaña Atmospheric Observatory (IZA, Spai…
  openalex Rosa D. García, Omaira García, Emilio Cuevas, Victoria E. Cachorro 等 2013-12-06 置信度 0.72 Radiative forcingMineral dustAtmospheric sciencesShortwaveRadiative transfer
• Identification of the parent bodies of micrometeorites with high-precision oxygen isotope ratios
  openalex C. Suavet, Anne Alexandre, I. A. Franchi, J. Gattacceca 等 2010-03-31 置信度 0.72 ChondriteIsotopes of oxygenAstrobiologyGeologyMeteorite
• Biogeochemical Characteristics of Earth's Volcanic Permafrost: An Analog of Extraterrestrial Environments
  This article describes a study of frozen volcanic deposits collected from volcanoes Tolbachik and Bezymianny on the Kamchatka Peninsula, Russia, and Deception Island volcano, Antarctica. In addition, we studied suprasnow ash layers deposited after the 2007 eru…
  openalex Tatiana A. Vishnivetskaya, Vasiliy A. Mironov, Andrey Abramov, V. A. Shcherbakova 等 2022-03-25 置信度 0.72 PermafrostVolcanoExtremophileThermophileEarth science
• Noble gas isotopes and mineral assemblages of Antarctic micrometeorites collected at the meteorite ice field around the Yamato Mountains
  Abstract— From November 1998 to January 1999, the 39th Japanese Antarctic Research Expedition (JARE) conducted a large‐scale micrometeorite collection at 3 areas in the meteorite ice field around the Yamato Mountains, Antarctica. The Antarctic micrometeorites …
  openalex Takahito Osawa, Tomoki Nakamura, Keisuke Nagao 2003-11-01 置信度 0.72 MeteoriteNoble gasGeologyAstrobiologyMeteoroid
• The eerie silence
  Whether or not we are alone in the universe is one of the great outstanding questions of existence. For thousands of years it was restricted to the realm of philosophy and theology, but 50 years ago it became part of science. In April 1960 a young US astronome…
  openalex Paul Davies 2010-03-01 置信度 0.72 Search for extraterrestrial intelligenceAstronomerSilenceRealmCivilization
• Transformation textures, mechanisms of formation of high‐pressure minerals in shock melt veins of L6 chondrites, and pressure‐temperature conditions of the shock events
  Abstract— The high‐pressure polymorphs of olivine, pyroxene, and plagioclase in or adjacent to shock melt veins (SMVs) in two L6 chondrites (Sahara 98222 and Yamato 74445) were investigated to clarify the related transformation mechanisms and to estimate the p…
  openalex Shin Ozawa, Eiji Ohtani, Masaaki Miyahara, Akio Suzuki 等 2009-11-01 置信度 0.72 RingwooditeOlivineChondriteGeologyShock metamorphism
• Identification by Raman spectroscopy of Mg–Fe content of olivine samples after impact at 6 km s−1 onto aluminium foil and aerogel: In the laboratory and in Wild-2 cometary samples
  Olivine, (Mg, Fe)2[SiO4], is a common mineral in extraterrestrial materials, whose Mg–Fe content varies from the end-members Forsterite (Mg2SiO4: denoted ‘Fo’) to Fayalite (Fe2SiO4: denoted ‘Fa’), together with minor quantities of Ca, Cr, Mn and Ni. Olivine is…
  openalex N.F. Foster, P. J. Wozniakiewicz, M. C. Price, A. T. Kearsley 等 2013-07-25 置信度 0.72 OlivineRaman spectroscopyForsteriteAnalytical Chemistry (journal)Aluminium
• Designing artificial closed land- and space-based ecosystems
  The principles and approaches to the design of closed ecosystems are presented, and the feasibility of forming highly closed mass-exchange processes is established for integrated new-generation life support systems by the complex use of biological and physicoc…
  openalex А. Г. Дегерменджи, А. А. Тихомиров 2014-03-01 置信度 0.72 EcosystemMineralization (soil science)Environmental resource managementLife support systemEnvironmental science
• Mineralization and Preservation of an extremotolerant Bacterium Isolated from an Early Mars Analog Environment
  The artificial mineralization of a polyresistant bacterial strain isolated from an acidic, oligotrophic lake was carried out to better understand microbial (i) early mineralization and (ii) potential for further fossilisation. Mineralization was conducted in m…
  openalex F. Gaboyer, Claude Le Milbeau, Maria Bohmeier, Petra Schwendner 等 2017-08-14 置信度 0.72 Mineralization (soil science)DesiccationMars Exploration ProgramDiagenesisChemistry
• Vibrational spectroscopy of epidote, pumpellyite and prehnite applied to low-grade regional metabasites
  Calc-silicate minerals are routinely used to identify metamorphic and metasomatic patterns, but their characterization usually requires detailed and time-consuming petrographic and geochemical analyses, preventing spatially extensive mapping. Laboratory measur…
  openalex A. J. R. White, Carsten Laukamp, Mark A. Stokes, Monica LeGras 等 2017-06-01 置信度 0.72 EpidoteGeologyGeochemistryPaleontologyChlorite
• Non-destructive controlled single-particle light scattering measurement
  openalex Göran Maconi, Antti Penttilä, Ivan Kassamakov, Maria Gritsevich 等 2017-09-08 置信度 0.72 LevitationMillimeterMeteoriteScatterometerLight scattering
• A New Tool for Separating the Magnetic Mineralogy of Complex Mineral Assemblages from Low Temperature Magnetic Behavior
  One timeless challenge in rock magnetic studies, inclusive of paleomagnetism and environmental magnetism, is decomposing a sample’s bulk magnetic behavior into its individual magnetic mineral components. We present a method permitting to decompose the magnetic…
  openalex France Lagroix, Yohan Guyodo 2017-07-28 置信度 0.72 MagnetiteMaghemiteRock magnetismHematiteEnvironmental magnetism
• Planetary science and exploration in the deep subsurface: results from the MINAR Program, Boulby Mine, UK
  Abstract The subsurface exploration of other planetary bodies can be used to unravel their geological history and assess their habitability. On Mars in particular, present-day habitable conditions may be restricted to the subsurface. Using a deep subsurface mi…
  openalex Samuel J. Payler, Jennifer F. Biddle, A. J. Coates, C. R. Cousins 等 2016-04-20 置信度 0.72 EvaporiteGeologyAstrobiologyMars Exploration ProgramMineral exploration
• Insight into the structure of decagonite – the extraterrestrial decagonal quasicrystal
  , the only known natural decagonal quasicrystal found in a meteorite formed at the beginning of the Solar System, allowed us to determine the first structural model for a natural quasicrystal. It is a two-layer structure with decagonal columnar clusters arrang…
  europepmc Ireneusz Bugański, Luca Bindi 2020-12-15 置信度 0.80 QuasicrystalPhasonPenrose tilingCrystallographyCube (algebra)
• SULFUR IN ACHONDRITIC METEORITES
  Total sulfur abundances have been measured for 48 achondrites. For twenty eucrites they ranged from 370 to 3700 micrograms S/g with a median sulfur content of 1180 micrograms S/g. Sulfur abundances for howardites ranged from 1490 to 3240 micrograms S /g and ha…
  openalex E. K. Gibson, C. B. Moore, Thomas M. Primus, C. F. Lewis 1985-09-01 置信度 0.72 AchondriteSulfurSulfideChemistryMeteorite
• Trace element inventory of meteoritic Ca-phosphates
  Most extraterrestrial samples feature the two accessory Ca-phosphates (apatite-group minerals and merrillite), which are important carrier phases of the rare earth elements (REE). The trace-element concentrations (REE, Sc, Ti, V, Cr, Mn, Co, As, Rb, Sr, Y, Zr,…
  openalex Dustin Ward, A. Bischoff, J. Roszjar, Jasper Berndt 等 2017-09-01 置信度 0.72 ChondriteMeteoriteTrace elementApatiteCarbonaceous chondrite
• Search for Extraterrestrial Life Using Chiral Molecules: Mandelate Racemase as a Test Case
  We have investigated an enzymatic racemization reaction as a marker for extraterrestrial life, which resulted in a change in optical rotation of a mandelic acid over time, as measured by polarimetry. Mandelate racemase was active in aqueous buffer in a tempera…
  openalex T. Thaler, Phillip R. Gibbs, Rick Trebino, Andreas S. Bommarius 2006-12-01 置信度 0.72 Extraterrestrial lifeMicroemulsionRacemizationChemistrySalt (chemistry)
• Mineral magnetism in marine sediments
  openalex Roy Thompson, Frank Oldfield 1986-01-01 置信度 0.72 Pelagic zoneEarth scienceExtraterrestrial lifeSubmarineSedimentary depositional environment
• A Comprehensive Study of Enhanced Computational Approaches for Breast Cancer Classification: Comparative Analysis with Existing State of the Art Methods
  openalex Davinder Paul Singh, Tathagat Banerjee, Prabhjot Kour, R. S. Malik 等 2025-10-08 置信度 0.72 Computer scienceBreast cancerMagnificationArtificial intelligencePrecision and recall
• Rapid screening of Zr-containing particles from Chang’e-5 lunar soil samples for isotope geochronology: Technical roadmap for future study
  New samples returned by China Chang’e-5 (CE-5) mission offer an opportunity for studying the lunar geologic longevity, space weathering, and regolith evolution. The age determination of the CE-5 samples was among the first scientific questions to be answered. …
  openalex Jinhua Li, Qiuli Li, Liang Zhao, Jinhai Zhang 等 2022-01-28 置信度 0.72 Scanning electron microscopeCharacterization (materials science)MicroanalysisMaterials scienceSecondary ion mass spectrometry
• Extraterrestrial sound for planetaria: A pedagogical study
  The purpose of this project was to supply an acoustical simulation device to a local planetarium for use in live shows aimed at engaging and inspiring children in science and engineering. The device plays audio simulations of estimates of the sounds produced b…
  openalex T.G. Leighton, Nikhil Banda, Benoît Bergès, Phillip F. Joseph 等 2016-08-01 置信度 0.72 PlanetariumOutreachSoundscapeSound (geography)Thunder
• Cultivation With Powdered Meteorite (NWA 1172) as the Substrate Enhances Low-Temperature Preservation of the Extreme Thermoacidophile Metallosphaera sedula
  Recent studies have uncovered a vast number of thermophilic species in icy environments, permanently cold ocean sediments, cold sea waters, and cool soils. The survival of thermophiles in psychrobiotic habitats requires thorough investigation of the physiologi…
  openalex Tetyana Milojević, Žiga Zebec, Mario P. Schimak 2020-07-08 置信度 0.72 MeteoriteThermophileAstrobiologyExtreme environmentEnvironmental science
• High-Temperature Microwave Dielectric Properties and Processing of JSC-1AC Lunar Simulant
  Successful development of extraterrestrial microwave heating technologies depends on the study of the dielectric properties that control the microwave heating behavior of simulants and regoliths. Microwave heating may serve many lunar applications including he…
  openalex Shawn M. Allan, Brandon J. Merritt, Brittany F. Griffin, Paul E. Hintze 等 2013-09-16 置信度 0.72 Materials scienceMicrowaveDissipation factorDielectric heatingRegolith
• New evidence of meteoritic origin of the Tunguska cosmic body
  openalex V.M. Kvasnytsya, Richard Wirth, L. Dobrzhinetskaya, J. Matzel 等 2013-05-23 置信度 0.72 TroiliteMeteoriteCarbon fibersGraphiteIron meteorite
• The phase relations, textures, and mineral chemistries of high-titanium mare basalts as a function of oxygen fugacity and cooling rate
  The high-titanium mare basalts show a wide diversity of textures and paragenetic sequences. The order of appearance of ilmenite and pyroxene is shown to be very sensitive to oxygen fugacity within the lunar range, using both constant temperature and continuous…
  openalex T. M. Usselman, G. E. Lofgren 1976-01-01 置信度 0.72 Mineral redox bufferBasaltFugacityGeologyOxygen
• Endolithic biofilms: a model for extraterrestrial ecological niches?
  In natural ecosystems, bacteria, unicellular algae, filamentous and yeast-like fungi are often organized in thin films attached to or entrenched in substrata such as surfaces of solid rocks, minerals or larger organisms. Frequently the formation of a biofilm i…
  openalex Wolfhart Pohl, Michael Hoppert, Christine Flies, Bettina Günzl 等 1999-12-30 置信度 0.72 BiofilmPhototrophEcological nicheAlgaeEcology
• Mineralization of A lvinella polychaete tubes at hydrothermal vents
  Alvinellid polychaete worms form multilayered organic tubes in the hottest and most rapidly growing areas of deep-sea hydrothermal vent chimneys. Over short periods of time, these tubes can become entirely mineralized within this environment. Documenting the n…
  openalex Magdalena N. Georgieva, Crispin T. S. Little, Alexander D. Ball, Adrian G. Glover 2014-12-30 置信度 0.72 Hydrothermal ventPolychaeteMineralization (soil science)Hydrothermal circulationGeology
• In Living Color: Pigment-Based Microbial Ecology At the Mineral–Air Interface
  Pigment-based color is one of the most important phenotypic traits of biofilms at the mineral-air interface (subaerial biofilms, SABs), because it reflects the physiology of the microbial community. Because color is the hallmark of all SABs, we argue that pigm…
  openalex Federica Villa, Ying-Li Wu, Andrea Zerboni, Francesca Cappitelli 2022-10-22 置信度 0.72 EcologyAdaptation (eye)Context (archaeology)BiologyMicrobial ecology
• Crystallography relevant to Mars and Galilean icy moons: crystal behavior of kieserite-type monohydrate sulfates at extraterrestrial conditions down to 15 K
  Monohydrate sulfate kieserites ( M 2+ SO 4 ·H 2 O) and their solid solutions are essential constituents on the surface of Mars and most likely also on Galilean icy moons in our solar system. Phase stabilities of end-member representatives ( M 2+ = Mg, Fe, Co, …
  openalex Manfred Wildner, Boris A. Zakharov, Nikita E. Bogdanov, Dominik Talla 等 2022-01-10 置信度 0.72 Thermal expansionMars Exploration ProgramAnisotropyMonoclinic crystal systemCrystallography
• Chemical Analysis of Iron Meteorites Using a Hand‐Held X‐Ray Fluorescence Spectrometer
  We evaluate the performance of a hand‐held XRF (HHXRF) spectrometer for the bulk analysis of iron meteorites. Analytical precision and accuracy were tested on metal alloy certified reference materials and iron meteorites of known chemical composition. With min…
  openalex Maurizio Gemelli, Massimo D’Orazio, L. Folco 2014-03-25 置信度 0.72 MeteoriteIron meteoritePhosphideChemical compositionAnalytical Chemistry (journal)
• Petrography, geochemistry, and alteration of country rocks from the Bosumtwi impact structure, Ghana
  Abstract— Samples of the country rocks that likely constituted the target rocks at the 1.07 Myr old Bosumtwi impact structure in Ghana, West Africa, collected outside of the crater rim in the northern and southern parts of the structure, were studied for their…
  openalex Forson KARIKARI, L. Ferrière, Christian Koeberl, W. U. Reimold 等 2007-05-01 置信度 0.72 GeologySericiteGeochemistryPetrographyImpact crater
• Is a Diamonditic (Tentative) Soil Family Class Needed for Extraterrestrial Mineral Soils?
  openalex 1967-06-01 置信度 0.72 Extraterrestrial lifeSoil waterMineralClass (philosophy)Geology
• Ultraviolet Photoprocessing of Glycine Adsorbed on Various Space-Relevant Minerals
  Mineral surfaces are energetic environments that can assist prebiotic organization by adsorbing selected molecules and allowing their concentration and chemical evolution, possibly toward complex (pre)biological systems. This dynamic rocky environment can also…
  openalex Giovanni Poggiali, Teresa Fornaro, Simone Potenti, Maria Angela Corazzi 等 2020-06-12 置信度 0.72 AstrobiologyBiomoleculeAbiogenesisSolar SystemMeteorite
• Zircon survival in shallow asthenosphere and deep lithosphere
  Abstract Zircon (ZrSiO4) is the most frequently used geochronometer of terrestrial and extraterrestrial processes. To shed light on question of zircon survival in the Earth's shallow asthenosphere, high-temperature experiments of zircon dissolution in natural …
  openalex Anastassia Y. Borisova, Ilya N. Bindeman, Michael J. Toplis, Nail R. Zagrtdenov 等 2020-05-29 置信度 0.72 ZirconGeologyAsthenosphereMaficGeochemistry
• Role of space energy impacts in prebiotic synthesis of polypeptides in presence of extraterrestrial mineral matrix
  Life originated on the Earth more than 3.5 billion years ago. However, the scientists are still disputing over the possible sources of the life origin. The matter is that life on our planet evolved from the molecular level to the level of bacteria organisms wi…
  openalex N. B. Gontareva, E.A. Kuzicheva 2006-01-01 置信度 0.72 AstrobiologyMeteoriteExtraterrestrial lifeAbiogenesisMurchison meteorite
• XANES spectroscopy of sulfides stable under reducing conditions
  Abstract X-ray absorption near-edge structure (XANES) spectroscopy is a powerful technique to quantitatively investigate sulfur speciation in geologically complex materials such as minerals, glasses, soils, organic compounds, industrial slags, and extraterrest…
  openalex B. A. Anzures, S. W. Parman, R. E. Milliken, Antonio Lanzirotti 等 2019-12-05 置信度 0.72 XANESOxidation stateMineral redox bufferSulfideSulfur
• Solutes determine the temperature windows for microbial survival and growth
  Microbial cells, and ultimately the Earth's biosphere, function within a narrow range of physicochemical conditions. For the majority of ecosystems, productivity is cold-limited, and it is microbes that represent the failure point. This study was carried out t…
  openalex Jason P. Chin, Julianne Megaw, Caroline L. Magill, Krzysztof Nowotarski 等 2010-04-19 置信度 0.72 Chaotropic agentEcosystemBiosphereOsmolyteBacterial growth
• Desiccation of the Extreme Thermoacidophile Metallosphaera sedula Grown on Terrestrial and Extraterrestrial Materials
  Prokaryotes are among the most versatile organisms on Earth and their ability to adsorb metals for nutrient, energy or protection purposes can be noted in many different environments on our planet. The extreme thermoacidophilic archaeon Metallosphaera sedula i…
  openalex Denise Kölbl, Amir Blazevic, Mihaela Albu, Christoph Fasching 等 2020-08-11 置信度 0.72 MicroorganismExtreme environmentAstrobiologyDesiccationScheelite
• The evaluation of time‐resolved Raman spectroscopy for the suppression of background fluorescence from space‐relevant samples
  Abstract One of the primary goals in space research is the search for signs of extant or extinct extraterrestrial life, and Raman spectroscopy can play a role in this field. Raman spectrometers are planned for future missions to Mars and possibly the Moon to i…
  openalex Franziska Hanke, Bram J.A. Mooij, Freek Ariese, Ute Böttger 2019-05-21 置信度 0.72 Raman spectroscopyAnalytical Chemistry (journal)SpectroscopyMars Exploration ProgramFluorescence
• Search for past life on Mars: Physical and chemical characterization of minerals of biotic and abiotic origin: 2. Aragonite
  One of the major objectives of the future Martian surface probes will be to reveal a past or present biological activity. We propose that biominerals could have recorded such an activity at Mars, and thus could be interesting targets for these missions. Theref…
  openalex Fabien Stalport, Patrice Coll, Cyril Szopa, Alain Person 等 2007-12-01 置信度 0.72 Mars Exploration ProgramAbiotic componentMartianAstrobiologyLife on Mars
• Study of non-equivalent Fe positions in some extraterrestrial minerals using Mössbauer spectroscopy with a high velocity resolution
  Study of extraterrestrial minerals with non-equivalent Fe positions such as the M1 and M2 sites in olivine and pyroxenes in ordinary chondrites, the M1 and M2 sites in olivines from pallasites and the M1, M2 and M3 sites in iron nickel phosphides from iron met…
  openalex М. И. Оштрах, V. I. Grokhovsky, M. Yu. Larionov, D. G. Patrusheva 等 2010-09-01 置信度 0.72 MeteoriteChondriteMössbauer spectroscopyOlivineSpectroscopy
• Machine Learning in Agriculture: A Review
  Machine learning has emerged with big data technologies and high-performance computing to create new opportunities for data intensive science in the multi-disciplinary agri-technologies domain. In this paper, we present a comprehensive review of research dedic…
  openalex Κωνσταντίνος Λιάκος, Patrizia Busato, Dimitrios Moshou, Simon Pearson 等 2018-08-14 置信度 0.72 AgricultureArtificial intelligencePrecision agricultureComputer scienceMachine learning
• A global rain of micrometeorites following breakup of the L‐chondrite parent body—Evidence from solar wind‐implanted Ne in fossil extraterrestrial chromite grains from China
  Abstract– Previous studies of limestone beds of mid‐Ordovician age from both Sweden and China show that the Earth saw an at least two orders of magnitude increase in the influx of extraterrestrial material approximately 470 Ma, following the disruption of an L…
  openalex C. Alwmark, Birger Schmitz, M. M. M. Meier, H. Baur 等 2012-07-31 置信度 0.72 Parent bodyChondriteGeologyMeteoriteAstrobiology
• Limits on the Giant Leap for Mankind: Legal Ambiguities of Extraterrestrial Resource Extraction
  openalex David Johnson 2011-01-01 置信度 0.72 Extraterrestrial lifeInternational lawSearch for extraterrestrial intelligenceResource (disambiguation)Extraction (chemistry)
• Microfossil Phosphatization and Its Astrobiological Implications
  openalex Shuhai Xiao, James D. Schiffbauer 2008-11-06 置信度 0.72 AstrobiologyGeologyBiology
• Routine low‐damage apatite U‐Pb dating using laser ablation–multicollector–ICPMS
  Apatite is a common U‐bearing accessory mineral with a U‐Pb closure temperature of ∼500°C, making U‐Pb dating of apatite a potentially valuable thermochronometer. However, its low U concentration and tendency to incorporate common lead has limited widespread a…
  openalex Stuart N. Thomson, George E. Gehrels, Joaquín Ruiz, Robert Buchwaldt 2012-01-10 置信度 0.72 ApatiteGeologyGeochemistryFractionationMineralogy
• An ESA roadmap for geobiology in space exploration
  openalex C. R. Cousins, Charles S. Cockell 2015-11-07 置信度 0.72 Space explorationGeobiologySystems engineeringChemical spaceExtraterrestrial life
• Earliest organic evolution. Essay to the memory of Bartholomew Nagy
  openalex Hans D. Pflug 2001-02-01 置信度 0.72 Murchison meteoriteMeteoritePrecambrianHadeanAstrobiology
• Thermal Extraction of Volatiles from Lunar and Asteroid Regolith in Axisymmetric Crank–Nicolson Modeling
  A physics-based computer model has been developed to support the development of volatile extraction from regolith of the Moon and asteroids. The model is based upon empirical data sets for extraterrestrial soils and simulants, including thermal conductivity of…
  openalex Philip T. Metzger, K. Zacny, Phillip Morrison 2020-08-04 置信度 0.72 RegolithAsteroidThermal conductivityLunar soilThermal diffusivity
• Measurement of microbial activity in soil by colorimetric observation of in situ dye reduction: an approach to detection of extraterrestrial life
  BACKGROUND: Detecting microbial life in extraterrestrial locations is a goal of space exploration because of ecological and health concerns about possible contamination of other planets with earthly organisms, and vice versa. Previously we suggested a method f…
  openalex Ronald L. Crawford, Andrzej Paszczyński, Qingyong Lang, Daniel P. Erwin 等 2002-07-31 置信度 0.72 FormazanEnvironmental chemistryRedoxSoil waterExtraterrestrial life
• Are marl-limestone alternations mainly driven by CaCO3 variations at the astronomical timescale? New insights from extraterrestrial 3He
  openalex Pierre‐Henri Blard, Baptiste Suchéras-Marx, Guillaume Suan, Blandine Godet 等 2023-05-12 置信度 0.72 MarlSiliciclasticGeologyCarbonateTerrigenous sediment
• Laboratory analogues to cosmic dust
  openalex John Stephens, B. K. Kothari 1978-10-01 置信度 0.72 Cosmic dustPyroxeneInterplanetary dust cloudOlivineMaterials science
• The Role of Near-Earth Asteroids in Long-Term Platinum Supply
  High-grade platinum-group metal concentrations have been identified in an abundant class of near-Earth asteroids known as LL Chondrites. The potential existence of a highvalue asteroid-derived mineral product is examined from an economic perspective to assess …
  openalex Brad R. Blair 2000-01-01 置信度 0.72 AsteroidAstrobiologyTerm (time)Near-Earth objectBusiness
• Extraterrestrial nature reserves (ETNRs)
  Abstract If human population growth is not controlled, natural areas must be sacrificed. An alternative is to create more habitat, terraforming Mars. However, this requires establishment of essential, ecosystem services on a planet currently unamenable to Terr…
  openalex Paul L. Smith 2022-11-23 置信度 0.72 EcosystemExtraterrestrial lifeEcologyExploration of MarsHabitat
• EXTRATERRESTRIAL SPHERULES IN THE SURROUNDINGS OF KAALI METEORITE CRATERS (SAAREMAA ISLAND, ESTONIA)
  The surroundings of meteorite craters are excellent areas for studying structural peculiarities of meteoric and meteoritic particles as well as micrometeorites. Three main types of extraterrestrial matter, namely meteoritic iron, meteoritic dust, and impactite…
  openalex T Kolosova, Anto Raukas, S Shymanovich, R. Tiirmaa 1993-01-01 置信度 0.72 MeteoriteExtraterrestrial lifeImpact craterAstrobiologyGeology
• Multibeam Blind Search of Targeted SETI Observations toward 33 Exoplanet Systems with FAST
  The search for extraterrestrial intelligence (SETI) is to search for technosignatures associated with extraterrestrial life, such as engineered radio signals. In this paper, we apply the multibeam coincidence matching (MBCM) strategy, and propose a new search …
  arxiv Xiao-Hang Luan, Zhen-Zhao Tao, Hai-Chen Zhao, Bo-Lun Huang 等 2023-01-26T01:21:42Z 置信度 0.78 astro-ph.EPastro-ph.IM
• Negative polarization properties of regolith simulants -- Systematic experimental evaluation of composition effects
  Polarization phase curves of asteroids and other small airless bodies are influenced by the compositional and physical properties of their regolith. The mixing of minerals composing the regolith influences the negative polarization at small phase angles becaus…
  arxiv Stefano Spadaccia, C. H. Lucas Patty, Holly L. Capelo, Nicolas Thomas 等 2022-07-18T17:14:58Z 置信度 0.78 astro-ph.EP
• The Role of Tectonic Luck in Long-Term Habitability of Abiotic Earth-like Planets
  Carbonate-silicate weathering feedback is thought to stabilize Earth's climate on geologic timescales. If climate warms, faster mineral dissolution and increased rainfall speed up weathering, increasing CO2 drawdown and opposing the initial warming. Limits to …
  arxiv Brandon Park Coy, Edwin S. Kite, R. J. Graham 2025-07-30T21:57:07Z 置信度 0.78 astro-ph.EP
• Fluorescent emission and nondestructive 3D textural imaging in geologic materials by multiphoton microscopy
  We greatly expand the application of multiphoton microscopy to geological investigations by using a tightly focused femtosecond laser beam to excite fluorescent emissions among minimally prepared rock and mineral samples. This new finding provides a tool for s…
  arxiv Samuel D. Crossley, Colby L. Donner, Josh Magnus, Lam Nguyen 等 2024-08-13T20:05:39Z 置信度 0.78 physics.geo-ph
• Searching for a standard Drake equation
  In the 20th century the scientific search for extraterrestrial intelligence began, and the Drake equation was proposed to estimate the number of extraterrestrial species humanity could attempt to detect, N. This paper discusses the need to update and standardi…
  arxiv Jose Antonio Molina Molina 2019-12-02T19:15:47Z 置信度 0.78 physics.pop-phastro-ph.EP
• SETI strategy with FAST fractality
  We applied the Koch snowflake fractal antenna in planning calibration of the Five-hundred-meter Aperture Spherical radio Telescope (FAST), hypothesizing second-order fractal primary reflectors can optimize the orientated sensitivity of the telescope. Meanwhile…
  arxiv Yi-Xuan Chen, Wen-Fei Liu, Zhi-Song Zhang, Tong-Jie Zhang 2021-04-15T09:43:43Z 置信度 0.78 astro-ph.IM
• Oxidation Processes Diversify the Metabolic Menu on Enceladus
  The Cassini mission to the Saturn system discovered a plume of ice grains and water vapor erupting from cracks on the icy surface of the satellite Enceladus. This moon has a global ocean in contact with a rocky core beneath its icy exterior, making it a promis…
  arxiv Christine Ray, Christopher R. Glein, J. Hunter Waite, Ben Teolis 等 2020-12-15T19:43:48Z 置信度 0.78 astro-ph.EPphysics.bio-ph
• Superionic hydrogen in Earth's deep interior
  Superionic hydrogen was previously thought to be an exotic state predicted and confirmed only in pure H2O ice. In Earth's deep interior, H2O exists in the form of O-H groups in ultra-dense hydrous minerals, which have been proved to be stable even at the condi…
  arxiv Yu He, Duck Young Kim, Chris J. Pickard, Richard J. Needs 等 2018-10-20T07:34:30Z 置信度 0.78 cond-mat.mtrl-sci
• The Chirality Of Life: From Phase Transitions To Astrobiology
  The search for life elsewhere in the universe is a pivotal question in modern science. However, to address whether life is common in the universe we must first understand the likelihood of abiogenesis by studying the origin of life on Earth. A key missing piec…
  arxiv Marcelo Gleiser, Sara Imari Walker 2008-11-08T20:22:37Z 置信度 0.78 astro-phq-bio.BM
• #FoundThem - 21st Century Pre-Search and Post-Detection SETI Protocols for Social and Digital Media
  The transmission of news stories in global culture has changed fundamentally in the last three decades. The general public are alerted to breaking stories on increasingly rapid timescales, and the discussion/distortion of facts by writers, bloggers, commenters…
  arxiv Duncan Forgan, Alexander Scholz 2016-05-10T11:33:24Z 置信度 0.78 physics.soc-ph
• Sedimentary rocks from Mediterranean drought in the Messinian age as a probe of the past cosmic ray flux
  We propose the use of natural minerals as detectors to study the past flux of cosmic rays. This novel application of the \textit{paleo-detector} technique requires a specific approach as it needs samples that have been exposed to secondary cosmic rays for a we…
  arxiv Lorenzo Caccianiga, Claudio Galelli, Lorenzo Apollonio, Federico Maria Mariani 等 2024-05-08T09:25:39Z 置信度 0.78 astro-ph.HEhep-phphysics.geo-ph
• A Civilian Astronomer's Guide to UAP Research
  Unidentified Anomalous Phenomena (UAP) have historically been stigmatized and regarded as pseudoscience due to a general lack of robust evidence. Recently, however, the subject has gained interest among astronomers and the military. This review explores how as…
  arxiv Beatriz Villarroel, Kevin Krisciunas 2024-10-17T13:07:40Z 置信度 0.78 astro-ph.IMphysics.pop-phphysics.soc-ph
• Reduced radiative conductivity of high and low spin FeO6 octahedra in the Earth's lower mantle
  The ability of Earths mantle to conduct heat by radiation is determined by optical properties of mantle phases. Optical properties of mantle minerals at high pressure are accessible through diamond anvil cell experiments, but because of the extensive thermal r…
  arxiv Sergey S. Lobanov, Nicholas Holtgrewe, Alexander F. Goncharov 2016-04-09T22:00:49Z 置信度 0.78 physics.geo-phcond-mat.mtrl-sci
• SETI and Democracy
  There is a wide-ranging debate about the merits and demerits of searching for, and sending messages to, extraterrestrial intelligences (SETI and METI). There is however reasonable (but not universal) consensus that replying to a message from an extraterrestria…
  arxiv Peter Hatfield, Leah Trueblood 2020-07-27T12:59:36Z 置信度 0.78 physics.pop-phphysics.hist-ph
• Where is everybody? -- Wait a moment ... New approach to the Fermi paradox
  The Fermi Paradox is the apparent contradiction between the high probability extraterrestrial civilizations' existence and the lack of contact with such civilizations. In general, solutions to Fermi's paradox come down to either estimation of Drake equation pa…
  arxiv I. Bezsudnov, A. Snarskii 2010-07-16T13:42:52Z 置信度 0.78 physics.pop-phastro-ph.IMnlin.CG
• Spatially Resolved Spectroscopy of Europa: The Distinct Spectrum of Large-scale Chaos
  We present a comprehensive analysis of spatially resolved moderate spectral resolution near infrared spectra obtained with the adaptive optics system at the Keck Observatory. We identify three compositionally distinct end member regions: the trailing hemispher…
  arxiv Patrick D. Fischer, Michael E. Brown, Kevin P. Hand 2015-10-26T06:17:30Z 置信度 0.78 astro-ph.EP
• On the relative abundances of Cavansite and Pentagonite
  Cavansite is a visually stunning blue vanadosilicate mineral with limited occurrences worldwide, whereas Pentagonite is a closely related dimorph with similar physical and chemical properties, yet is extremely rare compared to Cavansite. The reasons behind Pen…
  arxiv Bhalchandra S. Pujari, Sagar Gehlot, Mihir Arjunwadkar, Dilip G. Kanhere 等 2023-08-13T17:54:55Z 置信度 0.78 cond-mat.mtrl-sciphysics.geo-ph