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 16
Stran 1
... horizon at different points in the east , and setting beneath the horizon at corresponding points in the west . Like the sun and moon also , the stars attain their highest position above the horizon when they are due south , or on the ...
... horizon at different points in the east , and setting beneath the horizon at corresponding points in the west . Like the sun and moon also , the stars attain their highest position above the horizon when they are due south , or on the ...
Stran 2
... horizon , and that for a certain region of the northern heavens the stars never set at all , but wheel permanently about a fixed point in the celestial sphere . Another fact of capital importance connected with the phenomena of the ...
... horizon , and that for a certain region of the northern heavens the stars never set at all , but wheel permanently about a fixed point in the celestial sphere . Another fact of capital importance connected with the phenomena of the ...
Stran 4
... horizon of any place in the southern hemisphere . It is obvious that when the north pole is elevated above the horizon , the south pole is depressed beneath it , and vice versa . The stars , in virtue of their apparent diurnal motion ...
... horizon of any place in the southern hemisphere . It is obvious that when the north pole is elevated above the horizon , the south pole is depressed beneath it , and vice versa . The stars , in virtue of their apparent diurnal motion ...
Stran 5
... horizon , no standard could be more fallacious . In winter the days are short , in summer they are very long ; in fact , through- out the whole year they are perpetually varying from day to day . In this respect the sun pre- sents a ...
... horizon , no standard could be more fallacious . In winter the days are short , in summer they are very long ; in fact , through- out the whole year they are perpetually varying from day to day . In this respect the sun pre- sents a ...
Stran 8
... horizon , where it is greatest , to the zenith , where it vanishes altogether . For objects situate in the horizon , the refraction amounts to rather more than 34 ' ; at 5 ° of altitude above the horizon , its mean value is 10 ' ; at 20 ...
... horizon , where it is greatest , to the zenith , where it vanishes altogether . For objects situate in the horizon , the refraction amounts to rather more than 34 ' ; at 5 ° of altitude above the horizon , its mean value is 10 ' ; at 20 ...
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Pogosti izrazi in povedi
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,