Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page xiv
... reasons . Remarks on cometary orbits in general PART II . OF THE PLANETARY PERTURBATIONS . · - Page 340 CHAPTER XII . Subject propounded . Problem of three bodies . Superposition of small motions . Estimation of the disturbing force ...
... reasons . Remarks on cometary orbits in general PART II . OF THE PLANETARY PERTURBATIONS . · - Page 340 CHAPTER XII . Subject propounded . Problem of three bodies . Superposition of small motions . Estimation of the disturbing force ...
Page 1
... reason to expect that those objects and relations which , taken together , constitute the subject he is about to enter upon will have been previously apprehended by him , at least imperfectly , because much has hitherto escaped his ...
... reason to expect that those objects and relations which , taken together , constitute the subject he is about to enter upon will have been previously apprehended by him , at least imperfectly , because much has hitherto escaped his ...
Page 5
... circumstances , the appeal has to be made , not to the pure and abstract reason , but to the sense of analogy to practice and experience : principles and modes of action have to be established not by direct B 3 INTRODUCTION . 5.
... circumstances , the appeal has to be made , not to the pure and abstract reason , but to the sense of analogy to practice and experience : principles and modes of action have to be established not by direct B 3 INTRODUCTION . 5.
Page 6
... reason at all . As for the method of assertion , or a direct demand on the faith of the student ( though in some complex cases indispensable , where illustrative explanation would defeat its own end by becoming tedious and burdensome to ...
... reason at all . As for the method of assertion , or a direct demand on the faith of the student ( though in some complex cases indispensable , where illustrative explanation would defeat its own end by becoming tedious and burdensome to ...
Page 8
... reason , — that we must attribute something of that indistinctness of view which is often complained of as a grievance by the earnest student , and still more commonly ascribed ironically to the native - - cloudiness of an atmosphere ...
... reason , — that we must attribute something of that indistinctness of view which is often complained of as a grievance by the earnest student , and still more commonly ascribed ironically to the native - - cloudiness of an atmosphere ...
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Common terms and phrases
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.