| 单词 | meteoritic |
| 例句 | Meteorites are not abundant and meteoritic samples not especially easy to get hold of. A Short History of Nearly Everything 2003-05-06T00:00:00Z “With all these launches, the amount of material vaporizing during reentry could become roughly comparable to the amount of meteoritic material coming in. And it’s different stuff, a different mix of metals,” Murphy says. Space Junk Is Polluting Earth’s Stratosphere with Vaporized Metal 2023-10-26T04:00:00Z This “BeLaU” fingerprint hasn’t been seen in records of known meteoritic spherules, Jacobsen says, although it does resemble some lunar samples. Did interstellar debris fall to the sea floor? Claim meets sea of doubt 2023-08-30T04:00:00Z Weiss says the meteoritic literature is rife with false magnetic findings—such as reports of extreme fields in one of the most studied meteorites of all time, Allende, which fell in Mexico in 1969. Magnets wipe memories from meteorites, erasing billion-year-old data 2023-04-05T04:00:00Z “The question remains whether they are meteoritic, geologic, or biologic,” said Amy Williams, a planetary scientist at the University of Florida and a member of the Curiosity and Perseverance scientific teams. Strange DNA found in the desert offers lessons in the hunt for Mars life 2023-02-21T05:00:00Z People sometimes discover unusual-looking rocks that turn out to be meteoritic; these rocks are termed meteorite finds. Astronomy 2016-10-13T00:00:00Z “Personally, I expect that if any meteoritic material is in this ejecta it would be extremely rare and unlikely to be found in the vast volumes of other ejecta at this site,” he said. Shards of Asteroid That Killed the Dinosaurs May Have Been Found in Fossil Site 2022-04-07T04:00:00Z The debate ended when astronomers used newly measured atomic parameters for iron and revised their calculations of the solar iron abundance, vindicating the meteoritic result. An Elemental Problem with the Sun 2020-07-01T04:00:00Z A uniform signal would favor meteoritic fallout, whereas a lumpier distribution, and the presence of minerals that hint at microbe-fueling reactions, could be a sign of life—and a green light to drill a sample. NASA’s new rover will collect martian rocks—and clues to planet’s ancient climate 2020-06-25T04:00:00Z Earth formed from an unknown selection of meteoritic material. Ancient rock bears isotopic fingerprints of Earth’s origins 2020-03-10T04:00:00Z Finally, the third item on the planet-formation mystery menu is a clue from the analysis of meteoritic material. A Good Week for Planet Formation 2020-02-29T05:00:00Z A growing body of evidence also suggests that volcanism and meteoritic impacts each could have triggered hydrothermal systems within the Martian crust. Forget the Moon 2018-08-17T04:00:00Z “Guess what the Bundys have here? A meteoritic or asteroidal deposit of a particular element.” The unlikely story of the meteorite feud that ended up a fugitive from the law 2018-06-25T04:00:00Z That is a number low enough that it might be explained by the chemical breakdown of the smidgens of organic matter which fall to the surface of Mars in the form of meteoritic dust. Seasonal changes in Mars’s air are probably not signs of life. Probably 2018-06-07T04:00:00Z "The very first irons will be recognized from their chemical composition, which markedly differs from meteoritic iron," Jambon said. King Tut's Dagger Is Out of This World 2017-12-27T05:00:00Z The tiny meteoritic particles — sourced in cooperation with the Berlin Museum for Natural History — mingle with dust in the air to become part of the sonic landscape. Animal behaviour: World of webs : Nature : Nature Research 2017-03-14T04:00:00Z The future National Soccer Hall of Famer certainly lived that meteoritic rise to the top of American soccer. Eddie Pope's remarkable rookie year: from college student to MLS hero 2016-12-09T05:00:00Z “Every mining concern around the globe is centered around a meteoritic or asteroidal deposit,” he told his interviewer. The unlikely story of the meteorite feud that ended up a fugitive from the law 2018-06-25T04:00:00Z A telltale of this meteoritic material will likely be high levels of the element iridium. Chicxulub 'dinosaur crater' investigation begins in earnest - BBC News 2016-10-11T04:00:00Z Ancient Egyptians attached great significance to meteoritic iron for the production of fine ornamental or ceremonial objects, the researchers say. Tutankhamun's knife was 'made from meteorite iron' - BBC News 2016-06-02T04:00:00Z “The sky was very important to the ancient Egyptians,” she told Nature, apropos of her work on the meteoritic beads. Dagger in King Tut's tomb was made with iron from a meteorite 2016-06-01T04:00:00Z It’s a meteoritic and unlikely rise for the former California deli owner who was only elected to Congress in 2006. House Speaker John Boehner Calls It Quits 2015-09-25T04:00:00Z “Guess what the Bundys have here? A meteoritic or asteroidal deposit of a particular element, and it’s called magnesium dolomite … which is the metallic igniter for jet fuel, rocket fuel.” The unlikely story of the meteorite feud that ended up a fugitive from the law 2018-06-25T04:00:00Z But how much of the Chelyabinsk meteoritic material actually made it to the ground? NASA Surprised By Chelyabinsk Russian Meteor Fragments 2015-03-21T04:00:00Z Intriguingly, interplanetary dust is also known to possess more carbon-laden organic molecules than any other known class of meteoritic material. Solar Wind Creates Water in Star Dust 2014-01-28T19:45:00Z Higher abundances of chlorinated hydrocarbons in the lake mudstones, as compared with modern windblown materials, suggest that indigenous martian or meteoritic organic C sources are preserved in the mudstone. [Introduction to Special Issue] Habitability, Taphonomy, and the Search for Organic Carbon on Mars 2014-01-23T19:26:06.492Z In April of this year, he did not have to travel nearly so far to gather fresh meteoritic material. California Meteor Broke Speed Record for Atmospheric Entry 2012-12-20T23:45:03.167Z Fries uses Doppler weather radar to detect a "rain" of meteoritic particles falling to the ground, permitting rapid location of meteorite fall zones. How to Find a Meteorite in 5 Steps 2012-05-02T15:15:00.223Z According to Sir Norman Lockyer's meteoritic hypothesis, a vast nebulous region was invaded, not by one but by many meteor swarms, under conditions such that the effects of collision varied greatly in intensity. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Another explanation is given by the meteoritic hypothesis, according to which, out of the swarms of meteorites with which the regions of space are crowded, the sun and planets have been formed by gradual accretion. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Under heat and pressure, GRA 95229 released almost nothing but ammonia, in amounts that constitute roughly 1 percent by mass of the type of meteoritic material examined. Ammonia from meteorites could have aided start of life on Earth 2011-02-28T23:15:00.463Z The theory of the decomposition of the elements is closely bound up with the meteoritic theory. A History of Science, Volume 5(of 5) Aspects Of Recent Science An approximate coincidence between the chief nebular line and a "fluting" of magnesium having been alleged by Lockyer in support of his meteoritic hypothesis of nebular constitution, it became of interest to ascertain its reality. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Here, at last, was the proof of the meteoritic composition of Saturn's ring. The Story of the Heavens But the other members of the Institute decided that the object was spurious, because it was not of "true meteoritic material." The Book of the Damned Now the meteoritic contributions are undoubted, but they require a centre to attract them, and the difficulty is to account for the beginning of a collecting centre or planetary nucleus. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told The essence of the meteoritic theory, it will be recalled, is that all stars have their origin in nebulae which consist essentially of clouds of relatively small meteorites. A History of Science, Volume 5(of 5) Aspects Of Recent Science At the end of term he settled in, or, rather, meteoritically into, London. Enoch Soames: a memory of the eighteen-nineties Other hypotheses, having the same end in view, are the meteoritic hypothesis of Lockyer and the planetesimal hypothesis that has been largely developed in the United States. History of Astronomy As we go along, we shall find the "true test of meteoritic material," which in the past has been taken as an absolute, dissolving into almost utmost nebulosity. The Book of the Damned They may even be volatilised into glowing meteoric vapour; but in time this heat is dissipated, and the force of gravity condenses a meteoritic swarm into a single globe. Is Mars habitable? A critical examination of Professor Percival Lowell's book "Mars and its canals," with an alternative explanation On the other hand, it has been recently suggested that the earth may have grown to its present size by the gradual accretion of meteoritic masses. The Elements of Geology At the end of Term he settled in—or rather, meteoritically into—London. Seven Men Clerk Maxwell, in the Adams prize essay, gave a physico-mathematical demonstration that the rings must be composed of meteoritic matter like gravel. History of Astronomy At that time, the presence of nickel was the "positive" test of meteoritic matter. The Book of the Damned The planetismal theory is a development of the meteoritic theory, and presents it in an especially attractive guise. Is Mars habitable? A critical examination of Professor Percival Lowell's book "Mars and its canals," with an alternative explanation It's as if "true meteoritic material" were a "rock of ages" to some scientific men. The Book of the Damned It is said that, though of "true meteoritic material," this object is virtually a steel object. The Book of the Damned This especial Mr. Symons rejects the Reading substance because it was not "of true meteoritic material." The Book of the Damned Any old chunk of metal that measures up to the standard of "true meteoritic material" is admitted by the museums. The Book of the Damned The carbonaceous meteorites, which are unquestioned—though avoided, as we have seen—by orthodoxy, are more glaringly of untrue meteoritic material than was this substance of Reading. The Book of the Damned It was analyzed by a chemist, who could not identify it as true meteoritic material. The Book of the Damned In many instances, objects, or meteoritic stones, that have come from this earth's externality, have had a sulphurous odor. The Book of the Damned |
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