Results 191 to 200 of about 20,629 (247)
Interstellar ices as carriers of supernova material to the early solar system. [PDF]
Nat CommunBizzarro M +12 more
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Editorial: Microbial interactions with metals/minerals: from environmental aspects to applications. [PDF]
Front MicrobiolLee JH +4 more
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Various inorganic phosphorus species in prebiotic Earth and extraterrestrial settings. [PDF]
Discov ChemGull M, Cruz HA.
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Space weathering on the lunar nearside and farside constrained from Si isotopes. [PDF]
Nat CommunZhang HY +9 more
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Science, 1964
Zircon (ZrSiO 5 ) has been identified as an accessory mineral in the Vaca Muerta mesosiderite and in the troilite nodules of the Toluca iron meteorite. The occurrence in Vaca Muerta is a new discovery confirmed by electron-probe microanalysis of a grain in a polished section of the meteorite.
U B, Marvin, C, Klein
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Zircon (ZrSiO 5 ) has been identified as an accessory mineral in the Vaca Muerta mesosiderite and in the troilite nodules of the Toluca iron meteorite. The occurrence in Vaca Muerta is a new discovery confirmed by electron-probe microanalysis of a grain in a polished section of the meteorite.
U B, Marvin, C, Klein
openaire +2 more sources
Science, 1964
One stone of the Orgueil meteorite shower contains an assortment of biogenic materials: coal fragments, seed capsules of the reed Juncus conglomeratus , other plant fragments, and an optically active, water-soluble protein material resembling collagen-derived glues.
E, Anders +5 more
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One stone of the Orgueil meteorite shower contains an assortment of biogenic materials: coal fragments, seed capsules of the reed Juncus conglomeratus , other plant fragments, and an optically active, water-soluble protein material resembling collagen-derived glues.
E, Anders +5 more
openaire +2 more sources
Meteorites explained: what is a meteorite?
Geology Today, 2021Meteorites are natural lumps of rock and/or metal that fall to Earth from Space. Most meteorites are from the Asteroid Belt, with a few from the Moon or from Mars, but their ultimate origins extend more widely through the Solar System. More than 150 parent bodies are represented among more than 65 000 meteorites known.
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Nature, 1939
Prof. E. A. Owen and R. W. Williams1 have recently advanced a theory in which they account for the Widmanstatten figures in meteorites on the basis of their X-ray studies of iron-nickel alloys, natural and artificial. Their conclusions have been criticized by Prof. S. W. J. Smith and J.
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Prof. E. A. Owen and R. W. Williams1 have recently advanced a theory in which they account for the Widmanstatten figures in meteorites on the basis of their X-ray studies of iron-nickel alloys, natural and artificial. Their conclusions have been criticized by Prof. S. W. J. Smith and J.
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Comets, meteorites and atmospheres
Earth, Moon, and Planets, 1996The relatively low value of Xe/Kr in the atmospheres of Earth and Mars seems to rule out meteorites as the major carriers of noble gases to the inner planets. Laboratory experiments on the trapping of gases in ice forming at low temperatures suggest that comets may be a better choice.
T, Owen, A, Bar-Nun
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