School Atlas of Astronomy: Comprising, in Twenty-one Plates, a Complete Series of Illustrations of the Heavenly BodiesWilliam Blackwood and sons, 1869 - 70 strani |
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Zadetki 1–5 od 36
Stran 2
... motion of the sphere . At other times they appear to travel in the opposite direction , or from east to On the whole , however , their eastward motion exceeds their westward motion , and the result is that they ultimately make the ...
... motion of the sphere . At other times they appear to travel in the opposite direction , or from east to On the whole , however , their eastward motion exceeds their westward motion , and the result is that they ultimately make the ...
Stran 3
... motion round the earth . Again , some of the philosophers of ancient Greece supposed the sun to be in the centre of the planetary system , while the earth revolved in an annual orbit around it . Others of them , again , maintained that ...
... motion round the earth . Again , some of the philosophers of ancient Greece supposed the sun to be in the centre of the planetary system , while the earth revolved in an annual orbit around it . Others of them , again , maintained that ...
Stran 4
... motion of the stars from east to west was accounted for by attributing to the earth a rotatory motion on a fixed axis in the opposite direction , or from west to east , the axis being inclined to the plane of the earth's orbit at a ...
... motion of the stars from east to west was accounted for by attributing to the earth a rotatory motion on a fixed axis in the opposite direction , or from west to east , the axis being inclined to the plane of the earth's orbit at a ...
Stran 5
... Motion of the Sun used for this purpose - Apparent Solar Time - Mean Solar Time - Sidereal Time - Equation of Time . One of the most important practical advantages connected with the study of astronomy consists in its supplying us with ...
... Motion of the Sun used for this purpose - Apparent Solar Time - Mean Solar Time - Sidereal Time - Equation of Time . One of the most important practical advantages connected with the study of astronomy consists in its supplying us with ...
Stran 5
... motion of the sun being contrary in direction to the diurnal motion of the stars . Let us suppose the sun and a star to be upon the meridian at the same time . After the lapse of a sidereal day the star will again have returned to ...
... motion of the sun being contrary in direction to the diurnal motion of the stars . Let us suppose the sun and a star to be upon the meridian at the same time . After the lapse of a sidereal day the star will again have returned to ...
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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
Priljubljeni odlomki
Stran 17 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Stran 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,