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841por Ige, Olugbenga A.“…The astronomical increase in the use of social networking platforms by minors raises ethical questions in school ecologies. …”
Publicado 2020
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842por Fu, Wanlu, Jiang, Da-yong, Montañez, Isabel P., Meyers, Stephen R., Motani, Ryosuke, Tintori, Andrea“…Here we develop a high-resolution carbonate carbon isotope (δ(13)C(carb)) record for 3.20 million years of the Olenekian in South China that defines the astronomical time-scale for the critical interval of major evolutionary and oceanic events in the Spathian. δ(13)C(carb) documents eccentricity modulation of carbon cycling through the period and a strong obliquity signal. …”
Publicado 2016
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843por Roncato, Sergio“…Saturn was hidden to 17th-century astronomers for half a century because their rudimentary telescopes did not reveal the pictorial clues that are fundamental for discovering such a complex perceptual organization as that formed by a globe surrounded by rings. …”
Publicado 2019
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844por Da Silva, Anne-Christine, Sinnesael, Matthias, Claeys, Philippe, Davies, Joshua H. F. L., de Winter, Niels J., Percival, L. M. E., Schaltegger, Urs, De Vleeschouwer, David“…These records lead to an astronomical time calibration of the environmental changes associated with the two ocean anoxia pulses. …”
Publicado 2020
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845por Kwok, Sun“…Authored by an experienced writer and a well-known researcher of stellar evolution, interstellar matter and spectroscopy, this unique treatise on the formation and observation of organic compounds in space includes a spectroscopy refresher, as well as links to geological findings and finishes with the outlook for future astronomical facilities and solar system exploration missions. …”
Publicado 2012
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846“…This second edition is updated for astronomical events through until 2010.…”
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847“…Meteoric bodies vary in sizes; in calculating their motion in interplanetary space, astronomers apply the laws of Kepler. In the region of…”
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848Publicado 2001“…These questions have always fascinated humanity and for more than 30 years, physicists, biologists, chemists, cosmologists and astronomers have worked tirelessly to answer these questions. …”
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849“…A special session is devoted to the "laboratories" for nuclear reaction naturally provided by stars and other astronomical objects. Of special interest for the experts is the last section giving an outlook on future experimental and theoretical research.…”
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850por Conrad, Albert R“…In addition, the book also covers the analysis and archiving of astronomical data once it has been acquired. Readers will learn about existing software tools and packages, develop their own software tools, and analyze real data sets.…”
Publicado 2014
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851“…Relativistic Astrophysics brings together important astronomical discoveries and the significant achievements, as well as the difficulties in the field of relativistic astrophysics. …”
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852“…We compare astronomers' removal of Pluto from the listing of planets and psychiatrists' removal of homosexuality from the listing of mental disorders. …”
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853“…If new dark sector particles, be they bosons or fermions, can coalesce into exotic compact objects (ECOs) of astronomical size, then the first evidence for such objects, and their underlying microphysical description, may arise in gravitational wave observations. …”
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854por Courvoisier, Thierry J -L“…This includes, but is not limited to, all members of science academies. Astronomers will find specific elements to help them think about their science. …”
Publicado 2017
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855“…On the other hand, interestingly, the galaxy emits only 1% of the light emitted by the Milky Way. Thus, astronomers reported that Dragonfly 44 may be made almost entirely of dark matter. …”
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856“…Deflections of the vertical are calculated by using the difference between the attitudes with respect to the geodetic coordinates and astronomical coordinates. Moreover, an algorithm for removing the trend error of the vertical deflections is developed with the aid of Earth Gravitational Model 2008 (EGM2008). …”
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857“…We base our approach on the assumption that the probability that astronomers label a galaxy (i.e. determine its spectroscopic redshift) depends only on its measured (photometric and perhaps other) properties [Formula: see text] and not on its true redshift. …”
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858por Letwinch, Joanne“…Teach the basics of astronomical and space science using lively retellings of traditional folktales and quality children's literature. …”
Publicado 1999
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859por Gardner, Martin“…Since the publication of Einstein's Special Theory of Relativity in 1905, the discovery of such astronomical phenomena as quasars, pulsars, and black holes - all intimately connected to relativity - has provoked a tremendous upsurge of interest in the subject. …”
Publicado 2012
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860“…From straightforward questions regarding the distance of stars and Galileo’s discoveries to theories on the possible expansion of the universe, this examination is sure to appeal to both amateur astronomers and space buffs. Beautifully photographed and illustrated with detailed diagrams, this is a highly authoritative and fascinating guide to one of the most exciting areas of scientific research.…”
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