Outlines of astronomy |
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Page vii
... considered as an extension , and , it is hoped , an improvement of a treatise on the same subject , forming Part 43. of the Cabinet Cyclopædia , published in the year 1833. Its object and general character are sufficiently stated in the ...
... considered as an extension , and , it is hoped , an improvement of a treatise on the same subject , forming Part 43. of the Cabinet Cyclopædia , published in the year 1833. Its object and general character are sufficiently stated in the ...
Page viii
... considered as addressed to a class of readers in possession of some- what more mathematical knowledge than those who will find the rest of the work readily and easily ac- cessible ; to readers desirous of preparing themselves , by the ...
... considered as addressed to a class of readers in possession of some- what more mathematical knowledge than those who will find the rest of the work readily and easily ac- cessible ; to readers desirous of preparing themselves , by the ...
Page xii
... considered preferable ( another edition being called for ) , not indeed to recast the general plan of the work , but to incorporate these in it in due order and sequence , thereby materially enlarging the volume , and giving it in many ...
... considered preferable ( another edition being called for ) , not indeed to recast the general plan of the work , but to incorporate these in it in due order and sequence , thereby materially enlarging the volume , and giving it in many ...
Page 27
... considered as consisting of successively superposed strata or layers , each of the form of a spherical shell , concentric with the general surface of the sea and land , and each of which is rarer , or spe- cifically lighter , than that ...
... considered as consisting of successively superposed strata or layers , each of the form of a spherical shell , concentric with the general surface of the sea and land , and each of which is rarer , or spe- cifically lighter , than that ...
Page 36
... considered them while speaking of their refrac- tions as existing in the immensity of space beyond , and situated , perhaps , for any thing we can perceive to the con- trary , at enormous distances from us and from each other . ( 49 ...
... considered them while speaking of their refrac- tions as existing in the immensity of space beyond , and situated , perhaps , for any thing we can perceive to the con- trary , at enormous distances from us and from each other . ( 49 ...
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Common terms and phrases
amount angle angular appear apsides ascertained astronomical attraction axis bright calculation celestial circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Julian period Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian moon moon's motion nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations phænomena planet planetary pole portion position precession proper motions proportion recede reckoned refraction remarkable respect result revolution revolving right ascension rotation round satellites Saturn seen sidereal sidereal day situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole zenith