Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page xii
... Sidereal , tropical , and anomalistic years . Physical constitution of the ... period . Its apparent diameter . Its parallax , distance , and real diameter ... Synodic revolution or lunar month . Of eclipses more par- ticularly . Their ...
... Sidereal , tropical , and anomalistic years . Physical constitution of the ... period . Its apparent diameter . Its parallax , distance , and real diameter ... Synodic revolution or lunar month . Of eclipses more par- ticularly . Their ...
Page xvi
... sidereal system round a common centre . Systematic parallax and aberration . Effect of the motion of light in altering the apparent period of a binary star CHAPTER XVII . OF CLUSTERS OF STARS AND NEBULÆ . - Page 554 Of clustering groups ...
... sidereal system round a common centre . Systematic parallax and aberration . Effect of the motion of light in altering the apparent period of a binary star CHAPTER XVII . OF CLUSTERS OF STARS AND NEBULÆ . - Page 554 Of clustering groups ...
Page 84
... period , viz . a day , or 24 hours . But no sooner do we come to examine the ... sidereal and a solar ; and if , instead of the sun , we observe the moon ... sidereal day ; which , therefore , we cannot hesitate to receive as the period ...
... period , viz . a day , or 24 hours . But no sooner do we come to examine the ... sidereal and a solar ; and if , instead of the sun , we observe the moon ... sidereal day ; which , therefore , we cannot hesitate to receive as the period ...
Page 154
... sidereal time , or one twenty - fourth part of the earth's diurnal period , later , then the difference of longitude between A and B is one hour of time or 15 ° of arc , and B is so much west of A. ( 252. ) In order to a perfectly clear ...
... sidereal time , or one twenty - fourth part of the earth's diurnal period , later , then the difference of longitude between A and B is one hour of time or 15 ° of arc , and B is so much west of A. ( 252. ) In order to a perfectly clear ...
Page 155
... period , and if not , can ascertain and allow for its rate . Thus , although ... sidereal times corresponding to them , and proper to his locality . This ... sidereal time of his station . It is evident that if one of these clocks could ...
... period , and if not , can ascertain and allow for its rate . Thus , although ... sidereal times corresponding to them , and proper to his locality . This ... sidereal time of his station . It is evident that if one of these clocks could ...
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angle angular appear apsides ascertained astronomical axis bright calculation celestial centre circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect elements ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe heavens heliocentric horizon inclination inequality instance instrument interval 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 planet planetary pole portion position Post 8vo precession proper motions proportion recede recess reckoned refraction respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole Woodcuts zenith
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Page 674 - A Dictionary of Science, Literature, and Art : Comprising the History, Description, and Scientific Principles of every Branch of Human Knowledge ; with the Derivation and Definition of all the Terms in General Use. Edited by WT BRANDE, FRSL and E.