School Atlas of Astronomy: Comprising, in Twenty-one Plates, a Complete Series of Illustrations of the Heavenly Bodies |
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amounts angle angular apparent diameter apparent paths apparent position apparition appear astronomers Atlas atmosphere axis body brightness celestial object celestial sphere centre circle circumstance comet constellation dark lines direction discovered discovery diurnal motion double star earth's orbit earth's surface ecliptic Edinburgh & London Engraved & Printed equator excentricity exhibits greatest heavens Herschel horizon inches inferior conjunction inferior planets instance Jupiter KEITH JOHNSTON light longitude magnitude Maps Mars mean distance mean solar Mercury meridian meteors millions of miles minor planets moon moon's motion movements naked eye nebula Neptune night node observations opposite passing perihelion phenomena planet revolves Printed in Colours rays refraction remarkable represented result revolving round right ascension ring round the sun satellites Saturn seen shadow shooting stars sidereal solar parallax solar spectrum south pole southern hemisphere spots sun's disc superior planets suppose synodic revolution telescope termed total eclipse Uranus velocity Venus visible William Blackwood
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Page 17 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Page 70 - Director-General of the Geological Survey of Great Britain and Ireland ; and JAMES NICOL, FRSE, FGS, Professor of Natural History in the University of Aberdeen. Constructed by ALEX. KEITH JOHNSTON, FRSE, &c., Geographer to the Queen, Author of the "Physical Atlas,