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921por Waller, William H“… This book offers an intimate guide to the Milky Way, taking readers on a grand tour of our home Galaxy's structure, genesis, and evolution, based on the latest astronomical findings. In engaging language, it tells how the Milky Way congealed from blobs of gas and dark matter into a spinning starry abode brimming with diverse planetary systems--some of which may be hosting myriad life forms and perhaps even other technologically communicative species. …”
Publicado 2013
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922por Lomb, Nick“…Also included is information on the latest astronomical findings from space probes and telescopes around the world. …”
Publicado 2012
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923por Rowan-Robinson, Michael“…What is dark matter and why do astronomers think it pervades the universe? How heavy is the vacuum? …”
Publicado 1999
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924“…A daring statement, indicating that integral-field spectroscopy has evolved into a mature technique - a common user utility for astronomical research. Nowadays many integral-field spectrographs are installed on 4m to 8-10m class telescopes around the world. …”
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925“…At the turn of the millennium, with the introduction of large community-oriented facilities such as the VLTI, we are seeing a transformation into a major astronomical technique, with a corresponding dramatic increase in the number of publications. …”
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926por Hoskin, Michael“…Aided by his sister Caroline, he commenced a great systematic survey that led to his discovery of Uranus in 1781.Unlike observers before him, whose telescopes did not reveal them as astronomical obj…”
Publicado 2013
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927“…The book is ideal for astronomers who want to acquire deeper insight into the physical foundations of the theory of stellar atmospheres, or who want to learn about modern computational techniques for treating radiative transfer in non-equilibrium situations. …”
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928por Kirby, Geoffrey“…Follow along as Geoff Kirby recounts each quirky idea in detail and explains how these theories fare against modern astronomical research and technologies.…”
Publicado 2018
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929por Parisot, Olivier, Hitzelberger, Patrik, Bruneau, Pierrick, Krebs, Gilles, Destruel, Christophe, Vandame, Benoît“…Modern automated telescopes allow to capture astronomical images in a reproducible way. During the MILAN research project (MachIne Learning for AstroNomy), we have observed deep sky with a Stellina observation station for twelve months from the Luxembourg Greater Region. …”
Publicado 2023
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930por Joyce, Gerald F.“…All known examples of life belong to the same biology, but there is increasing enthusiasm among astronomers, astrobiologists, and synthetic biologists that other forms of life may soon be discovered or synthesized. …”
Publicado 2012
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931“…Large-area holographic gratings are of great importance in diverse fields including long-range interference metrology, high-resolution astronomical telescopes, and chirped-pulse-amplification systems. …”
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933por Martzloff, Jean-Claude“…Benno Van Dalen, ISIS, 2011 Martzloff’s careful scholarship and his overall look at the calendar beyond astronomical calculations, …, make this book a most valuable contributions to a field of increasing interest. …”
Publicado 2016
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934“…The parameter space is restricted so that the {\tilde Z_{1}} relic density obeys 0.10 \leq\Omega_{\tilde Z_{1}}h^2\leq 0.35, consistent with the COBE data and astronomical determinations of the Hubble constant. It is found that the best detectors sensitive to coherrent {\tilde Z_{1}} scattering (e.g. …”
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935por Chitishvili, Mariam, Gogberashvili, Merab, Konoplich, Rostislav, Sakharov, Alexander S.“…This evaporation, being triggered by a gravitational wave signal from the binary black-hole merger, can manifest itself in observations of gamma rays and very-high-energy neutrinos, which makes it a perfect physics case for multi-messenger astronomical observations.…”
Publicado 2021
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936por Bellazzini, R, Spandre, G, Minuti, M, Baldini, L, Brez, A, Cavalca, F, Latronico, L, Omodei, N, Massai, M M, Sgro, C, Costa, E, Krummenacher, P S F, De Oliveira, R“…Results from a full MonteCarlo simulation for two astronomical sources, the Crab Nebula and the Hercules X1, are also reported.…”
Publicado 2006
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937por Prashant Kumar, S.“…The paper also considers how the relationship between caste, status, and instrument was reflected in the visual and material culture of the observatory, such as in Indian-language inscriptions on its central pillar. For company astronomers, the measurement of time meant reworking the relationships among the Indian past, the colonial present, and an imperial posterity. …”
Publicado 2022
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938por Goicoechea, Javier R., Pety, Jérôme, Cuadrado, Sara, Cernicharo, José, Chapillon, Edwige, Fuente, Asunción, Gerin, Maryvonne, Joblin, Christine, Marcelino, Nuria, Pilleri, Paolo“…Visible-light observations of the Bar1 show that the transition between the hot ionised gas and the warm neutral atomic gas (the ionisation front) is spatially well separated from the transition from atomic to molecular gas (the dissociation front): about 15 arcseconds or 6,200 astronomical units. (One astronomical unit is the Earth-Sun distance.) …”
Publicado 2016
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939por Shapshak, Paul“…Titan), as well as on exoplanets, abiotic processes are considered the primary sources of methane. Astronomers and astro-biologists infer that the presence of methane supports the possibility of the presence of at least microbial life. …”
Publicado 2018
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940por Winter, Andrew J., Kruijssen, J. M. Diederik, Longmore, Steven N., Chevance, Mélanie“…The median semi-major axis and orbital period of planets in phase space overdensities are 0.087 astronomical units and 9.6 days, respectively, compared to 0.81 astronomical units and 154 days, respectively, for planets around field stars. …”
Publicado 2020
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