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• Looking for Microbial Biosignatures in All the Right Places: Clues for Identifying Extraterrestrial Life in Lava Tubes
  Lava caves are home to a stunning display of secondary mineral speleothems, such as moonmilk and coralloids, as well as highly visible microbial mats. These features contain diverse and under-characterized groups of bacteria. The role of these bacteria in the …
  openalex Joseph J. Medley, Jennifer Hathaway, M. Spilde, Diana E. Northup 2024-07-25 置信度 0.72 CaveSpeleothemExtraterrestrial lifePaleontologyGeology
• Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?
  Abstract The 3.5 Ga Bon Accord Ni deposit occurs within the lowest serpentinized mafic–ultramafic lavas of the Barberton Greenstone Belt (South Africa). Though now completely mined out, it comprised a suite of rare Ni-rich minerals that led to its interpretati…
  openalex Brian O’Driscoll, P. L. Clay, R. Grant Cawthorn, Davide Lenaz 等 2014-02-01 置信度 0.72 Ultramafic rockGeologyPetrographyGeochemistryMafic
• Effect of Amorphous Ammonia–Water Ice onto Adsorption of Glycine on Cometary Dust Grain and IR Spectroscopy
  The extraterrestrial origin of glycine has become a topic of great interest for astrobiology and it has been detected bonded to mineral surfaces in the dust of comet 81P/Wild 2 by the Stardust mission. The interactions of organic molecules with the dust grain …
  openalex Elizabeth Escamilla‐Roa, C. Ignacio Sainz‐Díaz 2014-10-16 置信度 0.72 AstrobiologyInterstellar iceCosmic dustAdsorptionAmorphous ice
• A Mars-analog sulfate mineral, mirabilite, preserves biosignatures
  Abstract Various sulfate minerals exist on Mars; except for gypsum, they are understudied on Earth. Extremophiles have been documented in modern gypsum and halite and ancient halite, but other chemical sediments have not been evaluated for biosignatures. Here,…
  openalex Karena K. Gill, Elliot Jagniecki, Kathleen C. Benison, Martha E. Gibson 2023-06-22 置信度 0.72 HaliteLife on MarsMars Exploration ProgramGypsumAstrobiology
• Search for extraterrestrial amino acids in sediments at the Cretaceous/Tertiary boundary in Kawaruppu, Hokkaido, Japan.
  Amino acids in the Cretaceous/Tertiary (K/T) boundary sediments at Kawaruppu were analyzed. A maximum of eight kinds of amino acids including diagenetically unstable serine and threonine was detected in the water extracts at most at one n mol g–1 sample level.…
  openalex Hajime Mita, Akira Shimoyama, Yoshimichi Kajiwara 1996-01-01 置信度 0.72 Amino acidExtraterrestrial lifeSerineThreonineProtonation
• Room-temperature magnetic properties of ferrihydrite: A potential magnetic remanence carrier?
  openalex S. J. Pannalal, Sean A. Crowe, M. T. Cioppa, D. T. A. Symons 等 2005-07-18 置信度 0.72 FerrihydriteRemanenceGeologyRock magnetismGeophysics
• Results of an Eight-Year Extraction of Phosphorus Minerals within the Seymchan Meteorite
  In-fall of extraterrestrial material including meteorites and interstellar dust particles during the late heavy bombardment are known to have brought substantial amounts of reduced oxidation-state phosphorus to the early Earth in the form of siderophilic miner…
  europepmc Maheen Gull, Tian Feng, Matthew A. Pasek 2022 置信度 0.80 MeteoritePhosphideAqueous solutionChemistryEarth (classical element)
• Rapid detection and identification of rocks and minerals by laser‐induced breakdown spectroscopy
  Abstract In geological exploration, it is necessary to analyze the geological history according to the rock types. But in places for people to reach, sample collection, and transportation is a costly task. At present, the remote intelligent detection of rock t…
  openalex Junzhe Huang, Wentao Zhou, Junyi Zhu, Yijing Zhang 等 2023-01-18 置信度 0.72 Laser-induced breakdown spectroscopyPrincipal component analysisAsteroidSpectroscopyDimensionality reduction
• Application of the MELTS algorithm to Martian compositions and implications for magma crystallization
  Abstract The MELTS algorithm, the most commonly used tool for calculating crystallization of basaltic magmas, uses thermodynamic parameters calibrated by experiments on select compositions, and thus, its use on newly discovered extraterrestrial compositions re…
  openalex J. B. Balta, H. Y. McSween 2013-11-26 置信度 0.72 MartianCrystallizationGeologyMars Exploration ProgramBasalt
• Baking black opal in the desert sun: The importance of silica in desert varnish
  Research Article| July 01, 2006 Baking black opal in the desert sun: The importance of silica in desert varnish Randall S. Perry; Randall S. Perry 1Impacts and Astromaterials Research Centre, Department of Earth Science and Engineering, South Kensington Campus…
  openalex Randall S. Perry, Bridget Y. Lynne, Mark A. Sephton, Vera M. Kolb 等 2006-01-01 置信度 0.72 Desert (philosophy)Art historyHistoryLibrary scienceArchaeology
• New measurement technique for characterizing small extraterrestrial materials by X‐ray diffraction using the Gandolfi attachment
  Abstract Identification and characterization of small extraterrestrial samples, such as small Antarctic meteorites <~1 cm, require the development of convenient laboratory‐based nondestructive analytical techniques using X‐ray diffraction (XRD). We explore the…
  openalex Naoya Imae, Makoto Kimura 2020-05-21 置信度 0.72 MeteoriteDiffractometerChondritePyroxeneMaterials science
• Characteristics of djerfisherite from fluid-rich, metasomatized alkaline intrusive environments and anhydrous enstatite chondrites and achondrites
  Djerfisherite is a K-Cl-bearing sulfide that is present in both ultra-reduced extraterrestrial enstatite meteorites (enstatite chondrites or achondrites) and reduced terrestrial alkaline intrusions, kimberlites, ore deposits, and skarns. Major element chemistr…
  openalex P. L. Clay, B. Ronan O’Driscoll, B. G. J. Upton, H. Busemann 2014-08-01 置信度 0.72 EnstatiteChondriteAchondriteMetasomatismGeology
• Petrogenesis of lunar meteorite EET 96008
  openalex M. Anand, L. A. Taylor, C. R. Neal, G. A. Snyder 等 2003-09-01 置信度 0.72 PyroxeneGeologyBrecciaGeochemistryBasalt
• Quantitative Ion Microprobe Analysis of the Rare Earth Elements in Minerals
  The lanthanides or rare earth elements (REE) which are present in trace concentrations in rocks are most useful for investigating the origin of these objects. Of the microbeam techniques presently used to measure the REE concentrations of individual crystals, …
  openalex G. Crozaz, E. Zinner 1986-01-01 置信度 0.72 MicroprobeRare earthChemistryAstrobiologyMineralogy
• Extinctions, Iridium, and Shocked Minerals Associated with the Cretaceous/Tertiary Transition
  This review of recent geological findings related to the Cretaceous/Tertiary transition covers sequentially the extinction record; the major geologic events associated with Cretaceous/Tertiary time; and iridium, shocked minerals, and other geologic anomalies. …
  openalex Charles B. Officer 1990-11-01 置信度 0.72 IridiumCretaceousTransition (genetics)GeologyEarth science
• 2.3.4 Extraterrestrial Particles in the Stratosphere
  Over the past several years we have collected 2µm to 30µm particles from the stratosphere using high volume air sampling techniques. In 1970 and 1971 we flew balloon experiments to 34 km, sampling particles from 1.1 × 104m3of ambient air. Beginning in March 19…
  openalex D. E. Brownlee, D. A. Tomandl, P. W. Hodge 1976-01-01 置信度 0.72 StratosphereSampling (signal processing)Volume (thermodynamics)Deposition (geology)Environmental science
• Extraterrestrial microspherules from Bajada del Diablo, Chubut, Argentina
  The Quaternary infilling of a circular structure located in Bajada del Diablo, Chubut Province, Argentina has been proposed as a crater strewn field in previous studies. Here we report the finding of about 65 microspherules collected in a trench excavated in t…
  openalex María Julia Orgeira, Liliana Norma Castro, Gastón Goldmann, Claudia Prezzi 等 2016-02-06 置信度 0.72 GeologyImpact craterMeteoriteVolcanoMineralogy
• Hydrocarbon Growth on Extraterrestrial Mineral Surfaces: A Computational and Spectroscopic Investigation
  Carbon is found in many forms in extraterrestrial environments; however, there is a discrepancy where the measured abundance of carbon in space is significantly less than that predicted by theoretical models. It is thought that a significant proportion of inte…
  openalex  Lily Clague 2023-01-01 置信度 0.72 AcetyleneBenzeneHydrocarbonChemistryCarbon fibers
• The Effects of Hydrochloric Acid Pretreatment on Different Types of Clay Minerals
  Clay minerals are common in geological samples and are useful paleoclimate and sediment provenance proxies. Acid pretreatment is the most common method for the separation and purification of clay minerals. Given that hydrochloric acid (HCl) can dissolve chlori…
  openalex Bin Hu, Chunxia Zhang, Xiaoyan Zhang 2022-09-15 置信度 0.72 IlliteClay mineralsKaoliniteChloriteHydrochloric acid
• C02 Laser-BrF5 Fluorination Technique for Analysis of Oxygen Three Isotopes of Rocks and Minerals
  Technical details of an on-line CO2 laser-BrF5 fluorination system, installed at Institute for Study of the Earth's Interior, Okayama University, were described. The system allows us precise determination of oxygen three isotope composition (δ17O and δ18O) of …
  openalex Minoru Kusakabe, Seiji Maruyama, Tomoki Nakamura, Toru Yada 2004-01-01 置信度 0.72 EnstatiteAugitePigeoniteMineralogyGeology
• Curating NASA's Extraterrestrial Samples
  Curation of extraterrestrial samples is the critical interface between sample return missions and the international research community. Curation includes documentation, preservation, physical security, preparation, and allocation of samples for research, educa…
  openalex Carlton Allen, J. Allton, G. E. Lofgren, K. Righter 等 2013-07-16 置信度 0.72 Extraterrestrial lifeOutreachDocumentationSample (material)Astrobiology
• Mineral chemistry of the Tissint meteorite: Indications of two‐stage crystallization in a closed system
  Abstract The Tissint meteorite is a geochemically depleted, olivine‐phyric shergottite. Olivine megacrysts contain 300–600 μm cores with uniform Mg# (~80 ± 1) followed by concentric zones of Fe‐enrichment toward the rims. We applied a number of tests to distin…
  openalex Yang Liu, Ioannis Baziotis, Paul D. Asimow, Robert J. Bodnar 等 2016-10-05 置信度 0.72 OlivinePhenocrystPyroxeneChromiteGeology
• Seismological Exploration on Extraterrestrial Bodies
  Internal structure of terrestrial planets and moons are best characterized by seismological method. In the present paper, we will briefly describe the seismological instrumentation and results obtained for the moon and Mars. Since the most significant seismolo…
  openalex A. Fujimura 1991-01-01 置信度 0.72 GeologySeismometerStructure of the EarthExtraterrestrial lifeMantle (geology)
• Measurement of the Oxidation State of Fe in the ISM Using X-Ray Absorption Spectroscopy
  Abstract The relative fractions of Fe in metal, sulfide, or oxide—the Fe oxidation state—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 spec…
  openalex Andrew J. Westphal, Anna L. Butterworth, John A. Tomsick, Zack Gainsforth 2019-02-10 置信度 0.72 Interplanetary dust cloudPhysicsAbsorption (acoustics)Interstellar mediumComet
• Astrobiological significance of minerals on Mars surface environment
  openalex Jesús Martínez‐Frías, Gabriel Amaral, Luis Vázquez 2006-01-01 置信度 0.72 MartianMars Exploration ProgramAstrobiologyEarth scienceGeology
• Identifying molecules as biosignatures with assembly theory and mass spectrometry
  The search for alien life is hard because we do not know what signatures are unique to life. We show why complex molecules found in high abundance are universal biosignatures and demonstrate the first intrinsic experimentally tractable measure of molecular com…
  europepmc Stuart M. Marshall, Cole Mathis, Emma Carrick, Graham Keenan 等 2021 置信度 0.80 Extraterrestrial lifeAbiogenesisAstrobiologyMeasure (data warehouse)Set (abstract data type)
• In situ organic compound analysis on a meteorite surface by desorption electrospray ionization coupled with an Orbitrap mass spectrometer
  RATIONALE: Since extraterrestrial organic matter in meteorites is a very complex mixture that is hard to ionize due to its association with minerals, in situ analysis of polar organic compounds has never been performed. In addition, when studying powdered samp…
  openalex Hiroshi Naraoka, Minako Hashiguchi 2018-03-23 置信度 0.72 ChemistryOrbitrapMeteoriteDesorption electrospray ionizationMass spectrometry
• Mineral dust increases the habitability of terrestrial planets but confounds biomarker detection
  Identification of habitable planets beyond our solar system is a key goal of current and future space missions. Yet habitability depends not only on the stellar irradiance, but equally on constituent parts of the planetary atmosphere. Here we show, for the fir…
  openalex Ian Boutle, Manoj Joshi, F. Hugo Lambert, Nathan J. Mayne 等 2020-06-09 置信度 0.72 HabitabilityAstrobiologyPlanetExoplanetBiomarker
• Deformation at the Decaturville Impact Structure, Missouri
  The Decaturville structure is a small area of intense disturbance marked by surface exposure of Precambrian rock and minor lead-zinc mineralization. The present paper gives a detailed analysis of the associated deformation processes on the basis of detailed ma…
  openalex Terry W. Offield, H. A. Pohn 1976-01-01 置信度 0.72 GeologyDeformation (meteorology)PrecambrianImpact structureMining engineering
• An isotopic and geochemical study of carbonate‐clay mineralization in basaltic caves: abiotic versus microbial processes
  ABSTRACT Stable isotope and geochemical data are used here to differentiate between contemporaneous abiotic and microbial processes leading to formation of modern carbonate‐ (calcite, aragonite and magnesite) and silicate‐rich (kerolite) mineralization in basa…
  openalex Richard Léveillé, Fred J. Longstaffe, W. S. Fyfe 2007-05-15 置信度 0.72 CarbonateGeologyMagnesiteAragoniteCalcite
• Magnetic Properties of Ferritchromite and Cr‐Magnetite and Monitoring of Cr‐Spinels Alteration in Ultramafic and Mafic Rocks
  Abstract Spinel is a ubiquitous mineral in mafic/ultramafic rocks. Spinel cores chemistry is extensively used as a petrogenetic proxy while their alteration phases, ferritchromite, and Cr‐magnetite, are used as metamorphic grade indicators. However, the magnet…
  openalex Florent Hodel, Mélina Macouin, Ricardo I.F. Trindade, Jefferson F.D.F. Araújo 等 2020-10-23 置信度 0.72 MagnetiteSpinelUltramafic rockMaficMaghemite
• Iodine-Biofortified Microgreens as High Nutraceutical Value Component of Space Mission Crew Diets and Candidate for Extraterrestrial Cultivation
  The success of Space missions and the efficacy of colonizing extraterrestrial environments depends on ensuring adequate nutrition for astronauts and autonomy from terrestrial resources. A balanced diet incorporating premium quality fresh foods, such as microgr…
  openalex Maria Giordano, Michele Ciriello, Luigi Formisano, Christophe El‐Nakhel 等 2023-07-12 置信度 0.72 CoriandrumNutraceuticalFood scienceOcimumSativum
• Bulk and stable isotopic compositions of carbonate minerals in Martian meteorite Allan Hills 84001: No proof of high formation temperature
  Understanding the origin of carbonate minerals in the Martian meteorite Allan Hills (ALH) 84001 is crucial to evaluating the hypothesis that they contain traces of ancient Martian life. Using arguments based on chemical equilibria among carbonates and fluids, …
  openalex A. H. Treiman, Christopher S. Romanek 1998-07-01 置信度 0.72 MeteoriteMartianCarbonateGeologyMars Exploration Program
• Early Archaean spherule beds in the Barberton Mountain Land, South Africa: no evidence for impact origin
  openalex Christian Koeberl, W. U. Reimold 1995-06-01 置信度 0.72 ArcheanGeologyChromiteGeochemistryMeteorite
• Extraterrestrial Photosynthesis by Chang’E-5 Lunar Soil
  Abstract In light of significant effort conducted to manned deep space exploration, it is of high technological importance and scientific interest to develop the lunar life supporting system for long-term exploration and exploitation. And lunar in situ resourc…
  openalex Yingfang Yao, Lu Wang, Xi Yang Zhu, Wenguang Tu 等 2021-11-05 置信度 0.72 Extraterrestrial lifeAstrobiologyPhotosynthesisLunar soilEnvironmental science
• High pre-eruptive water contents preserved in lunar melt inclusions.
  The Moon has long been thought to be highly depleted in volatiles such as water, and indeed published direct measurements of water in lunar volcanic glasses have never exceeded 50 parts per million (ppm). Here, we report in situ measurements of water in lunar …
  pubmed Hauri EH, Weinreich T, Saal AE, Rutherford MC 等 2011 Jul 8 置信度 0.82
• Is the presence of oxygen on an exoplanet a reliable biosignature?
  We revisit the validity of the presence of O(2) or O(3) in the atmosphere of a rocky planet as being a biosignature. Up to now, the false positive that has been identified applies to a planet during a hot greenhouse runaway, which is restricted to planets outs…
  pubmed Léger A, Fontecave M, Labeyrie A, Samuel B 等 2011 May 置信度 0.82
• Remote-Raman spectroscopic study of minerals under supercritical CO2 relevant to Venus exploration.
  The authors have utilized a recently developed compact Raman spectrometer equipped with an 85 mm focal length (f/1.8) Nikon camera lens and a custom mini-ICCD detector at the University of Hawaii for measuring remote Raman spectra of minerals under supercritic…
  pubmed Sharma SK, Misra AK, Clegg SM, Barefield JE 等 2011 Oct 置信度 0.82
• Classification of modern and old Río Tinto sedimentary deposits through the biomolecular record using a life marker biochip: implications for detecting life on Mars.
  The particular mineralogy formed in the acidic conditions of the R&#xed;o Tinto has proven to be a first-order analogue for the acid-sulfate aqueous environments of Mars. Therefore, studies about the formation and preservation of biosignatures in the R&#xed;o …
  pubmed Parro V, Fernández-Remolar D, Rodríguez-Manfredi JA, Cruz-Gil P 等 2011 Jan-Feb 置信度 0.82
• Space toxicology: protecting human health during space operations.
  Space toxicology is a unique and targeted discipline for spaceflight, space habitation, and occupation of celestial bodies including planets, moons, and asteroids. Astronaut explorers face distinctive health challenges and limited resources for rescue and medi…
  pubmed Khan-Mayberry N, James JT, Tyl R, Lam CW 2011 Feb 置信度 0.82
• The detection of biomarkers in evaporite matrices using a portable Raman instrument under Alpine conditions.
  The detection of relatively low concentrations of the biomarkers in experimentally prepared evaporitic matrices using a portable Raman instrument (Ahura First Defender XL equipped with a 785 nm diode laser and fixed frontal probe) under Alpine conditions was t…
  pubmed Culka A, Jehlička J, Vandenabeele P, Edwards HG 2011 Oct 置信度 0.82
• Iron-scytonemin complexes: DFT calculations on new UV protectants for terrestrial cyanobacteria and astrobiological implications.
  Cyanobacterial colonies produce the radiation-protectant biomolecule scytonemin as part of their response strategy for survival in environmentally stressed conditions in hot and cold deserts. These colonies frequently use sandstone rocks as host matrices for s…
  pubmed Varnali T, Edwards HG 2010 Sep 置信度 0.82
• Raman spectroscopic identification of phthalic and mellitic acids in mineral matrices.
  Raman spectroscopy has many advantages for planetary exploration, and the Raman technique is currently being developed for future space missions. The Raman microspectroscopic study of organic acids (phthalic and mellitic acids) in experimentally prepared mixtu…
  pubmed Osterrothová K, Jehlička J 2010 Dec 置信度 0.82
• Acquisition of Raman spectra of amino acids using portable instruments: outdoor measurements and comparison.
  Raman spectra of 13 amino acids: L-alanine, &#x3b2;-alanine, L-asparagine, L-aspartic acid, L-glutamic acid, L-glutamine, glycine, L-methionine, L-proline, L-serine, L-threonine, L-tryptophan and L-tyrosine were acquired outdoors using two portable Raman instr…
  pubmed Culka A, Jehlička J, Edwards HG 2010 Dec 置信度 0.82
• Growth performance and root transcriptome remodeling of Arabidopsis in response to Mars-like levels of magnesium sulfate.
  Martian regolith (unconsolidated surface material) is a potential medium for plant growth in bioregenerative life support systems during manned missions on Mars. However, hydrated magnesium sulfate mineral levels in the regolith of Mars can reach as high as 10…
  pubmed Visscher AM, Paul AL, Kirst M, Guy CL 等 2010 Aug 23 置信度 0.82
• Hygroscopic salts and the potential for life on Mars.
  Hygroscopic salts have been detected in soils in the northern latitudes of Mars, and widespread chloride-bearing evaporitic deposits have been detected in the southern highlands. The deliquescence of hygroscopic minerals such as chloride salts could provide a …
  pubmed Davila AF, Duport LG, Melchiorri R, Jänchen J 等 2010 Jul-Aug 置信度 0.82
• The chlorine isotope composition of the moon and implications for an anhydrous mantle.
  Arguably, the most striking geochemical distinction between Earth and the Moon has been the virtual lack of water (hydrogen) in the latter. This conclusion was recently challenged on the basis of geochemical data from lunar materials that suggest that the Moon…
  pubmed Sharp ZD, Shearer CK, McKeegan KD, Barnes JD 等 2010 Aug 27 置信度 0.82
• Noachian and more recent phyllosilicates in impact craters on Mars.
  Hundreds of impact craters on Mars contain diverse phyllosilicates, interpreted as excavation products of preexisting subsurface deposits following impact and crater formation. This has been used to argue that the conditions conducive to phyllosilicate synthes…
  pubmed Fairén AG, Chevrier V, Abramov O, Marzo GA 等 2010 Jul 6 置信度 0.82
• Graphite in an Apollo 17 impact melt breccia.
  We report on the detection of discrete grains of crystalline graphite and graphite whiskers (GWs) in an Apollo 17 impact melt breccia. Multiple instances of graphite and GWs within a discrete area of the sample imply that these grains are not terrestrial conta…
  pubmed Steele A, McCubbin FM, Fries M, Glamoclija M 等 2010 Jul 2 置信度 0.82
• Detection of hydrated silicates in crustal outcrops in the northern plains of Mars.
  The composition of the ancient martian crust is a key ingredient in deciphering the environment and evolution of early Mars. We present an analysis of the composition of large craters in the martian northern plains based on data from spaceborne imaging spectro…
  pubmed Carter J, Poulet F, Bibring JP, Murchie S 2010 Jun 25 置信度 0.82
• Nominally hydrous magmatism on the Moon.
  For the past 40 years, the Moon has been described as nearly devoid of indigenous water; however, evidence for water both on the lunar surface and within the lunar interior have recently emerged, calling into question this long-standing lunar dogma. In the pre…
  pubmed McCubbin FM, Steele A, Hauri EH, Nekvasil H 等 2010 Jun 22 置信度 0.82
• Time-resolved remote Raman study of minerals under supercritical CO2 and high temperatures relevant to Venus exploration.
  We report time-resolved (TR) remote Raman spectra of minerals under supercritical CO(2) (approx. 95 atm pressure and 423 K) and under atmospheric pressure and high temperature up to 1003 K at distances of 1.5 and 9 m, respectively. The TR Raman spectra of hydr…
  pubmed Sharma SK, Misra AK, Clegg SM, Barefield JE 等 2010 Jul 13 置信度 0.82
• Raman spectroscopy of the Dukhan sabkha: identification of geological and biogeological molecules in an extreme environment.
  The characterization of minerals and biogeological deposits in a terrestrial Arabian sabkha has a direct relevance for the exploration of Mars since the discovery by the NASA rovers Spirit and Opportunity of evaporate minerals on Mars that could have arisen fr…
  pubmed Edwards HG, Sadooni F, Vítek P, Jehlicka J 2010 Jul 13 置信度 0.82
• UVolution, a photochemistry experiment in low earth orbit: investigation of the photostability of carboxylic acids exposed to mars surface UV radiation conditions.
  The detection and identification of organic molecules on Mars are of prime importance to establish the existence of a possible ancient prebiotic chemistry or even a biological activity. To date, however, no complex organic compounds have been detected on Mars.…
  pubmed Stalport F, Guan YY, Coll P, Szopa C 等 2010 May 置信度 0.82
• Photocatalytic decomposition of carboxylated molecules on light-exposed martian regolith and its relation to methane production on Mars.
  We propose that the paucity of organic compounds in martian soil can be accounted for by efficient photocatalytic decomposition of carboxylated molecules due to the occurrence of the photo-Kolbe reaction at the surface of particulate iron(III) oxides that are …
  pubmed Shkrob IA, Chemerisov SD, Marin TW 2010 May 置信度 0.82
• Identification of carbonate-rich outcrops on Mars by the Spirit rover.
  Decades of speculation about a warmer, wetter Mars climate in the planet's first billion years postulate a denser CO2-rich atmosphere than at present. Such an atmosphere should have led to the formation of outcrops rich in carbonate minerals, for which evidenc…
  pubmed Morris RV, Ruff SW, Gellert R, Ming DW 等 2010 Jul 23 置信度 0.82
• FTIR reflectance of selected minerals and their mixtures: implications for ground temperature-sensor monitoring on Mars surface environment (NASA/MSL-Rover Environmental Monitoring Station).
  The Rover Environmental Monitoring Station (REMS) is one of NASA/MSL's instruments, which has been designed for measuring ambient pressure, humidity, wind speed and direction, UV radiation, and air and ground temperature (GT). The GT-sensor is dedicated to mea…
  pubmed Martín-Redondo MP, Martínez ES, Sampedro MT, Armiens C 等 2009 Jul 置信度 0.82
• Geomicrobiology beyond Earth: microbe-mineral interactions in space exploration and settlement.
  Geomicrobiology investigates the interactions of microorganisms with geological substrates, and this branch of microbiology has enormous potential in the exploration and settlement of space. Microorganisms can be used to extract useful elements from extraterre…
  pubmed Cockell CS 2010 Jul 置信度 0.82
• Isolation of novel extreme-tolerant cyanobacteria from a rock-dwelling microbial community by using exposure to low Earth orbit.
  Many cyanobacteria are known to tolerate environmental extremes. Motivated by an interest in selecting cyanobacteria for applications in space, we launched rocks from a limestone cliff in Beer, Devon, United Kingdom, containing an epilithic and endolithic rock…
  pubmed Olsson-Francis K, de la Torre R, Cockell CS 2010 Apr 置信度 0.82
• Phyllosilicate emission from protoplanetary disks: is the indirect detection of extrasolar water possible?
  Phyllosilicates are hydrous minerals formed by interaction between rock and liquid water, and are commonly found in meteorites that originate in the asteroid belt. Collisions between asteroids contribute to zodiacal dust, which therefore reasonably could inclu…
  pubmed Morris MA, Desch SJ 2009 Dec 置信度 0.82
• A biosignature suite from cave pool precipitates, Cottonwood Cave, New Mexico.
  Calcite cave pool precipitates often display a variety of potential biosignatures from the macroscopic to the submicroscopic. A fossil cave pool in Cottonwood Cave, New Mexico, exhibits older stalactites and stalagmites that are completely coated in brown, lam…
  pubmed Melim LA, Liescheidt R, Northup DE, Spilde MN 等 2009 Nov 置信度 0.82
• Development of lower Triassic wrinkle structures: implications for the search for life on other planets.
  Wrinkle structures are microbially mediated sedimentary structures that are a common feature of Proterozoic and earliest Phanerozoic siliciclastic seafloors on Earth and occur only rarely in post-Cambrian strata. These macroscopic microbially induced sedimenta…
  pubmed Mata SA, Bottjer DJ 2009 Nov 置信度 0.82
• Raman spectroscopic investigation on Jarosite-Yavapaiite stability.
  The stability of synthetic Jarosite (KFe(3)(SO(4))(2)(OH)(6)) at low temperature and reduced atmospheric pressure has been studied by Raman spectroscopy. Jarosite remains stable between 8 and 295 K, provided that the sample is not exposed to reduced atmospheri…
  pubmed Chio CH, Sharma SK, Ming LC, Muenow DW 2010 Jan 置信度 0.82
• Ultrasonic rock sampling using longitudinal-torsional vibrations.
  In the last years several European and US space projects have been focused on the development of surface rovers for planetary missions, such as ExoMars and Mars Exploration Rovers. The main function of these vehicles consists of moving across planet surfaces, …
  pubmed Cardoni A, Harkness P, Lucas M 2010 Apr 置信度 0.82
• Determination of K-Ar ages in milligram samples using an infrared laser for argon extraction.
  The K-Ar dating method has been used for decades to decipher the ages of terrestrial and extraterrestrial minerals and rocks. The natural radioactive decay of a metal to a rare gas is an advantage that allows the determination of very small amounts of argon by…
  pubmed Solé J 2009 Nov 置信度 0.82
• Character and spatial distribution of OH/H2O on the surface of the Moon seen by M3 on Chandrayaan-1.
  The search for water on the surface of the anhydrous Moon had remained an unfulfilled quest for 40 years. However, the Moon Mineralogy Mapper (M3) on Chandrayaan-1 has recently detected absorption features near 2.8 to 3.0 micrometers on the surface of the Moon…
  pubmed Pieters CM, Goswami JN, Clark RN, Annadurai M 等 2009 Oct 23 置信度 0.82
• Assessing the in vitro toxicity of the lunar dust environment using respiratory cells exposed to Al(2)O(3) or SiO(2) fine dust particles.
  Prior chemical and physical analysis of lunar soil suggests a composition of dust particles that may contribute to the development of acute and chronic respiratory disorders. In this study, fine Al(2)O(3) (0.7 &#x3bc;m) and fine SiO(2) (mean 1.6 &#x3bc;m) were…
  pubmed Jordan JA, Verhoff AM, Morgan JE, Fischer DG 2009 Dec 置信度 0.82
• Astrobiological implications of rock varnish in Tibet.
  The study of terrestrial geomicrobiology and its relationship to rock weathering processes is an essential tool in developing analogues for similar processes that may have occurred on Mars. Most studies of manganese-enhanced rock varnish have focused on sample…
  pubmed Krinsley D, Dorn RI, DiGregorio B 2009 Jul-Aug 置信度 0.82
• Experimental silicification of the extremophilic Archaea Pyrococcus abyssi and Methanocaldococcus jannaschii: applications in the search for evidence of life in early Earth and extraterrestrial rocks.
  Hydrothermal activity was common on the early Earth and associated micro-organisms would most likely have included thermophilic to hyperthermophilic species. 3.5-3.3 billion-year-old, hydrothermally influenced rocks contain silicified microbial mats and coloni…
  pubmed Orange F, Westall F, Disnar JR, Prieur D 等 2009 Sep 置信度 0.82 ArchaeaPyrococcus furiosusExtremophileAstrobiologyFossilization
• The effect of evaporated salt solutions on the optical dating properties of JSC Mars-1: "seasoning" for a Mars soil simulant.
  Optically stimulated luminescence dating, or optical dating, is an established terrestrial geochronometric technique that is being adapted to date sedimentary deposits and landforms on the surface of Mars. Recent discoveries have highlighted the astrobiologica…
  pubmed Lepper K 2009 Jul-Aug 置信度 0.82
• Evidence for calcium carbonate at the Mars Phoenix landing site.
  Carbonates are generally products of aqueous processes and may hold important clues about the history of liquid water on the surface of Mars. Calcium carbonate (approximately 3 to 5 weight percent) has been identified in the soils around the Phoenix landing si…
  pubmed Boynton WV, Ming DW, Kounaves SP, Young SM 等 2009 Jul 3 置信度 0.82
• H2O at the Phoenix landing site.
  The Phoenix mission investigated patterned ground and weather in the northern arctic region of Mars for 5 months starting 25 May 2008 (solar longitude between 76.5 degrees and 148 degrees ). A shallow ice table was uncovered by the robotic arm in the center an…
  pubmed Smith PH, Tamppari LK, Arvidson RE, Bass D 等 2009 Jul 3 置信度 0.82
• Stability against freezing of aqueous solutions on early Mars.
  Many features of the Martian landscape are thought to have been formed by liquid water flow and water-related mineralogies on the surface of Mars are widespread and abundant. Several lines of evidence, however, suggest that Mars has been cold with mean global …
  pubmed Fairén AG, Davila AF, Gago-Duport L, Amils R 等 2009 May 21 置信度 0.82
• Elemental composition of the Martian crust.
  The composition of Mars' crust records the planet's integrated geologic history and provides clues to its differentiation. Spacecraft and meteorite data now provide a global view of the chemistry of the igneous crust that can be used to assess this history. Su…
  pubmed McSween HY Jr, Taylor GJ, Wyatt MB 2009 May 8 置信度 0.82
• Key scientific questions and key investigations from the first international conference on Martian phyllosilicates.
  Minerals and their occurrences can tell us about the chemistry, pressure, and temperatures of past environments on Mars and thus allow inferences about the potential for habitability. Thanks to recent space exploration, a new vision is emerging wherein Mars ho…
  pubmed Poulet F, Beaty DW, Bibring JP, Bish D 等 2009 Apr 置信度 0.82
• Identification of beta-carotene in an evaporitic matrix--evaluation of Raman spectroscopic analysis for astrobiological research on Mars.
  Since evaporitic rocks on the Martian surface could (or still can) serve as potential habitats for microbial life on Mars, there is a reasonable possibility that these rocks may sustain molecular remnants as evidence for the presence of extinct or extant livin…
  pubmed Vítek P, Jehlicka J, Edwards HG, Osterrothová K 2009 Apr 置信度 0.82
• Fossilized microorganisms from the Emperor Seamounts: implications for the search for a subsurface fossil record on Earth and Mars.
  We have observed filamentous carbon-rich structures in samples drilled at 3 different seamounts that belong to the Emperor Seamounts in the Pacific Ocean: Detroit (81 Ma), Nintoku (56 Ma), and Koko Seamounts (48 Ma). The samples consist of low-temperature alte…
  pubmed Ivarsson M, Lausmaa J, Lindblom S, Broman C 等 2008 Dec 置信度 0.82
• Short- and long-term olivine weathering in Svalbard: implications for Mars.
  Liquid water is essential to life as we know it on Earth; therefore, the search for water on Mars is a critical component of the search for life. Olivine, a mineral identified as present on Mars, has been proposed as an indicator of the duration and characteri…
  pubmed Hausrath EM, Treiman AH, Vicenzi E, Bish DL 等 2008 Dec 置信度 0.82
• Underground habitats in the Río Tinto basin: a model for subsurface life habitats on Mars.
  A search for evidence of cryptic life in the subsurface region of a fractured Paleozoic volcanosedimentary deposit near the source waters of the R&#xed;o Tinto River (Iberian pyrite belt, southwest Spain) was carried out by Mars Astrobiology Research and Techn…
  pubmed Fernández-Remolar DC, Prieto-Ballesteros O, Rodríguez N, Gómez F 等 2008 Oct 置信度 0.82
• Orbital identification of carbonate-bearing rocks on Mars.
  Geochemical models for Mars predict carbonate formation during aqueous alteration. Carbonate-bearing rocks had not previously been detected on Mars' surface, but Mars Reconnaissance Orbiter mapping reveals a regional rock layer with near-infrared spectral char…
  pubmed Ehlmann BL, Mustard JF, Murchie SL, Poulet F 等 2008 Dec 19 置信度 0.82
• UV and VIS Raman spectra of natural lonsdaleites: towards a recognised standard.
  A UV laser has now been used to measure the Raman spectrum of lonsdaleite. This mineral species is a little-known hexagonal form of carbon having no known P-T field of stability. Lonsdaleite is known to coexist with diamond and/or graphite in certain impact st…
  pubmed Smith DC, Godard G 2009 Aug 置信度 0.82
• Raman spectroscopic identification of usnic acid in hydrothermal minerals as a potential Martian analogue.
  Raman spectroscopy using 785 nm excitation was tested as a nondestructive method for determining the presence of the potential biomarker, usnic acid, in experimentally prepared mineral matrices. Investigated samples consisting of usnic acid mixed with powdered…
  pubmed Osterrothová K, Jehlicka J 2009 Aug 置信度 0.82
• Planetary science. Culture wars over how to find an ancient niche for life on Mars.
  pubmed Kerr RA 2008 Oct 3 置信度 0.82
• Planetary science. Minerals suggest water once flowed on mars--but where?
  pubmed Kerr RA 2008 Oct 3 置信度 0.82
• Silicifying biofilm exopolymers on a hot-spring microstromatolite: templating nanometer-thick laminae.
  Exopolymeric substances (EPS) are an integral component of microbial biofilms; however, few studies have addressed their silicification and preservation in hot-spring deposits. Through comparative analyses with the use of a range of microscopy techniques, we i…
  pubmed Handley KM, Turner SJ, Campbell KA, Mountain BW 2008 Aug 置信度 0.82
• Phyllosilicate diversity and past aqueous activity revealed at Mawrth Vallis, Mars.
  Observations by the Mars Reconnaissance Orbiter/Compact Reconnaissance Imaging Spectrometer for Mars in the Mawrth Vallis region show several phyllosilicate species, indicating a wide range of past aqueous activity. Iron/magnesium (Fe/Mg)-smectite is observed …
  pubmed Bishop JL, Dobrea EZ, McKeown NK, Parente M 等 2008 Aug 8 置信度 0.82
• "Hairy blobs:" microbial suspects preserved in modern and ancient extremely acid lake evaporites.
  "Hairy blobs" are unusual clumps of organic bodies and sulfate crystals that have been found in evaporite minerals grown in acid saline lakes. Here, we document modern hairy blobs in halite and gypsum from 5 modern acid saline lakes in southern Western Austral…
  pubmed Benison KC, Jagniecki EA, Edwards TB, Mormile MR 等 2008 Aug 置信度 0.82
• Detection of silica-rich deposits on Mars.
  Mineral deposits on the martian surface can elucidate ancient environmental conditions on the planet. Opaline silica deposits (as much as 91 weight percent SiO2) have been found in association with volcanic materials by the Mars rover Spirit. The deposits are …
  pubmed Squyres SW, Arvidson RE, Ruff S, Gellert R 等 2008 May 23 置信度 0.82
• Raman signal processing software for automated identification of mineral phases and biosignatures on Mars.
  Data from the ESA ExoMars Rover Mission will provide invaluable input for further studies in astro/exobiology. The search for mineral products as indicators of present and/or past biogenetic activities in Mars' surface and subsurface samples is the main object…
  pubmed Sobron P, Sobron F, Sanz A, Rull F 2008 Apr 置信度 0.82
• Glycine identification in natural jarosites using laser desorption Fourier transform mass spectrometry: implications for the search for life on Mars.
  The jarosite group minerals have received increasing attention since the discovery of jarosite on the martian surface by the Mars Exploration Rover Opportunity. Given that jarosite can incorporate foreign ions within its structure, we have investigated the use…
  pubmed Kotler JM, Hinman NW, Yan B, Stoner DL 等 2008 Apr 置信度 0.82 JarositeMartianMars Exploration ProgramAstrobiologyBiomolecule
• Control of Lunar and Martian dust--experimental insights from artificial and natural cyanobacterial and algal crusts in the desert of Inner Mongolia, China.
  Studies on the colonization of environmentally extreme ground surfaces were conducted in a Mars-like desert area of Inner Mongolia, People's Republic of China, with microalgae and cyanobacteria. We collected and mass-cultured cyanobacterial strains from these …
  pubmed Liu Y, Cockell CS, Wang G, Hu C 等 2008 Feb 置信度 0.82
• Space exploration: secrets of the martian soil.
  pubmed Wu C 2007 Aug 16 置信度 0.82
• Early geochemical environment of Mars as determined from thermodynamics of phyllosilicates.
  Images of geomorphological features that seem to have been produced by the action of liquid water have been considered evidence for wet surface conditions on early Mars. Moreover, the recent identification of large deposits of phyllosilicates, associated with …
  pubmed Chevrier V, Poulet F, Bibring JP 2007 Jul 5 置信度 0.82
• Mars: ancient fingerprints in the clay.
  pubmed Catling DC 2007 Jul 5 置信度 0.82
• The Rio Tinto Mars analogue site: an extremophilic Raman spectroscopic study.
  The Rio Tinto site is recognised as a terrestrial Mars analogue because of the presence of jarosite and related sulfates which have recently been identified by the NASA Mars Exploration Rover "Opportunity" in the El Capitan region of Meridiani Planum on Mars. …
  pubmed Edwards HG, Vandenabeele P, Jorge-Villar SE, Carter EA 等 2007 Dec 15 置信度 0.82
• Galactic-cosmic-ray-produced 3He in a ferromanganese crust: any supernova 60Fe excess on earth?
  An excess of 60Fe in 2.4-3.2 x 10(6) year old ferromanganese crust (237 KD) from the deep Pacific Ocean has been considered as evidence for the delivery of debris from a nearby supernova explosion to Earth. Extremely high ;{3}He/;{4}He (up to 6.12 x 10(-3)) an…
  pubmed Basu S, Stuart FM, Schnabel C, Klemm V 2007 Apr 6 置信度 0.82
• Direct LD-FTMS detection of mineral-associated PAHs and their influence on the detection of co-existing amino acids.
  Polycyclic aromatic hydrocarbon (PAH) compounds and amino acids (AAs) are both ubiquitous throughout the universe and can be co-located in mineral matrices (e.g., meteorites); therefore, co-detection of PAHs and AAs associated with terrestrial and extra-terres…
  pubmed Yan B, Stoner DL, Scott JR 2007 Apr 30 置信度 0.82
• Microbial life in glacial ice and implications for a cold origin of life.
  Application of physical and chemical concepts, complemented by studies of prokaryotes in ice cores and permafrost, has led to the present understanding of how microorganisms can metabolize at subfreezing temperatures on Earth and possibly on Mars and other col…
  pubmed Price PB, P. B. Price 2006-11-17 置信度 0.82 AstrobiologyMicroorganismAbiogenesisPrebioticMineral
• Development of a surface-enhanced Raman technique for biomarker studies on Mars.
  Raman spectroscopy has been identified as a potentially useful tool to collect evidence of past or present life on extraterrestrial bodies. However, it is limited by its inherently low signal strength. In this investigation, laboratory tests were conducted usi…
  pubmed Dunn DS, Sridhar N, Miller MA, Price KT 等 2007 Jan 置信度 0.82
• The Red Planet's watery past.
  pubmed Bell J 2006 Dec 置信度 0.82