Outlines of astronomy |
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Page 5
... give those who may wish to enter a ground - plan of its accesses , and put them in possession of the pass - word . Admission to its sanctuary , and to the privileges and feelings of a votary , is only to be gained by one means , sound ...
... give those who may wish to enter a ground - plan of its accesses , and put them in possession of the pass - word . Admission to its sanctuary , and to the privileges and feelings of a votary , is only to be gained by one means , sound ...
Page 31
... give correct results in the vicinity of the horizon , where the law becomes much more complicated in its expression . 4thly . The average amount of refraction , for an object half- way between the zenith and horizon , or at an apparent ...
... give correct results in the vicinity of the horizon , where the law becomes much more complicated in its expression . 4thly . The average amount of refraction , for an object half- way between the zenith and horizon , or at an apparent ...
Page 74
... give the sidereal time of setting or rising , which , if we please , may be converted into solar time by the proper rules and tables . ( 129. ) As another example of the use of the same triangle , we may propose to find the local ...
... give the sidereal time of setting or rising , which , if we please , may be converted into solar time by the proper rules and tables . ( 129. ) As another example of the use of the same triangle , we may propose to find the local ...
Page 90
... gives the interval between the events observed . This ingenious and simple method of resolving , with all possible precision , a pro- blem of much importance in many physical inquiries , is due to the late Captain Kater . ( 151. ) The ...
... gives the interval between the events observed . This ingenious and simple method of resolving , with all possible precision , a pro- blem of much importance in many physical inquiries , is due to the late Captain Kater . ( 151. ) The ...
Page 91
... give more distinctness of vision according to optical principles which we have no occasion here to refer to . This also is fitted into a cell , which is screwed firmly into the end B of the tube , so that object - glass , tube , and eye ...
... give more distinctness of vision according to optical principles which we have no occasion here to refer to . This also is fitted into a cell , which is screwed firmly into the end B of the tube , so that object - glass , tube , and eye ...
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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