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261por Benson, Donald“…Mathematician Donald Benson shows that ancient theories of planetary motion were based on the assumptions that the Earth was the center of the universe and the planets moved in a uniform circular motion. Since ancient astronomers noted that occasionally a planet would exhibit retrograde motion--would seem to reverse its direction and move briefly westward--they concluded that the planets moved in epicyc…”
Publicado 2012
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262por Upgren, Arthur“…Many Skies: Alternative Histories of the Sun, Moon, Planets, and Stars examines the changes in science that alternative solar, stellar, and galactic arrangements would have brought, and explores the different theologies, astrologies, and methods of tracking time that would have developed to reflect them. …”
Publicado 2005
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265“…They look at all the major players, including our more familiar cosmic neighbors―the Sun, the planets and their moons―as well as the occasional visitors to our planet―asteroids, meteors and comets―in addition to distant stars and what might lie beyond our Solar System, including the mysterious Earth Mark II? …”
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266por Meltzer, Michael“…This book examines all aspects of the journey: its conception and planning; the lengthy political processes needed to make it a reality; the engineering and development required to build the spacecraft; its 2.2-billion mile journey from Earth to the Ringed Planet; and the amazing discoveries from the mission. …”
Publicado 2015
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267por Rothery, David A“…He considers what its giant core, internal structure and weird composition have to tell us about the formation and evolution of a planet so close to the Sun. This is of special significance in view of the discovery of so many ex…”
Publicado 2014
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270por Rapp, Donald“…For any human mission to the Red Planet the possible utilization of any resources indigenous to Mars would be of great value and such possibilities, the use of indigenous resources is discussed at length. …”
Publicado 2016
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271por Malcuit, Robert J“…It is argued here that these differences can be accounted for by planetoid capture processes and the subsequent evolution of the planet-satellite system. Venus captured a one-half moon-mass planetoid early in its history in the retrograde direction and underwent its "fatal attraction scenario" with its satellite (Adonis). …”
Publicado 2014
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273por Batygin, Konstantin“…In this talk, I will review the observational motivation, dynamical constraints, and prospects for detection of this proposed object known as Planet Nine.</span></span></p>'…”
Publicado 2022
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278por Schaeffer, Blake A., Whitman, Peter, Conmy, Robyn, Salls, Wilson, Coffer, Megan, Graybill, David, Lebrasse, Marie C.“…Here, we demonstrate potential for PlanetScope satellite usage by investigating overpass timing and sun glint intensity. …”
Publicado 2022
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279por Tanentzap, Andrew J.“…We urgently need solutions to make our use of the planet’s resources more sustainable and protect nature. …”
Publicado 2023
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280por Shapiro, Anna V., Brühl, Christoph, Klingmüller, Klaus, Steil, Benedikt, Shapiro, Alexander I., Witzke, Veronika, Kostogryz, Nadiia, Gizon, Laurent, Solanki, Sami K., Lelieveld, Jos“…Our findings imply that planets hosted by stars with low metallicity are the best targets to search for complex life on land.…”
Publicado 2023
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