Extrasolar planets   (translated from Spanish)
Extrasolar planets extrasolar planets (or exoplanetas) they are planets that orbit other stars different from ...
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Extrasolar planet
Extrasolar planet Infrared image of the star GQ ... distance between Jupiter and our Sun. An extrasolar planet, alternatively termed an exoplanet, is a ... system other than the solar system. Although extrasolar planets were long posited, no planets orbiting main sequence stars were discovered ...
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Fermi paradox
... for every few billion of these "ordinary" planets and takes billions of years, they argue, there are potentially trillions of planets (or more) and the universe is billions ... an almost certainty when large numbers of planets are considered together. This is the argument ... rare in the universe because Earth-like planets are most likely very rare. They argue ... subtle evidence. We are therefore limited to detecting civilizations which alter their environment in ...
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Exoplanète   (translated from French)
... the latter In astronomy , them exoplanètes or planets extrasolaires are them planets orbiting around one étoile other than ours ... if there exists or not of other planets on which could develop other forms of ... of observation in order to detect such planets. During E century , thanks to technological progress ... of stars, much of astronomers think of detecting planets extrasolaires. However, the year should ...
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Talk:Meanings of asteroid names
... it Galileo's Daughter} and {\it The Planets}---provide new insights into the most important ... Sonoita, Arizona, used for research on minor planets and variable stars. (37588) Lynnecox = 1991 GA2 ... program "Solex" based on personal simplifications of methods of celestial mechanics. This software allows high ... ephemerides of solar-system bodies, including minor planets. The name was suggested by J. Meeus ... CrAO-ITA group of observers of minor planets. He himself discovered 536 minor planets ...
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George Wetherill
... date the Earth's rocks by geochemical methods involving natural radioactive decay. This involved determining ... determining precise ages of rocks, and of detecting the possibility of metamorphism, and it forms ... resonances between their motions and those of planets. He computed how these events could move ... questions concerning the origin of the terrestrial planets--Mercury, Venus, Earth, and Mars. He was ... could evolve to produce a few terrestrial planets. Wetherill developed a technique to calculate ...
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Astrometric binary
... of arc. P = orbital period in years. Methods of observation In Friedrich Bessel used observations ... a companion orbiting Procyon. This method of detecting binaries is also used to locate extrasolar planets orbiting a star. However the requirements to ...
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