Parallax: The Race to Measure the CosmosCourier Corporation, 1. jan. 2013 - 316 síður This title charts the historical path of observational astronomy's most daunting challenge: measuring the distance to a star. |
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61 Cygni allax Almagest ancient appear Archimedes arcsecond Aristarchus astronomical units baseline Bradley’s bright Cape Caroline celestial sphere century circle comet concave confirmed convex Copernican Copernicus Copernicus’s cosmic detect difficult discovery distance Dorpat double stars Earth Earth’s orbit epicycle eyepiece Fallows father field of view finally find finger first five fixed Fraunhofer Fraunhofer’s Friedrich Bessel Galileo Gamma Draconis geocentric geocentric model glass Halley Halley’s heavens heliocentric heliometer Henderson Hipparchus Hooke’s instrument James Bradley Kepler later lens lenses light magnification maker mathematical measure miles Moon Moon’s motion move nearby Newton object observations observatory Olbers optical pair planetary planets precision Ptolemy Ptolemy’s quadrant range finder reflected reflector refractor Rheticus Robert Hooke Royal scientific shift solar space spectacle spyglass star positions star’s parallax stellar parallax sufficiently Sun’s tele telescope telescope’s tion transit tube Tycho universe Uraniborg Utzschneider vantage point Venus Wilhelm Struve William Herschel wobble