History of Physical Astronomy: From the Earliest Ages to the Middle of the 19th Century. Comprehending a Detailed Account of the Establishment of the Theory of Gravitation by Newton, and Its Development by His Successors; with an Exposition of the Progress of Research on All the Other Subjects of Celestial Physics |
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Page vi
... obtained by direct measurement with the micrometer ! The ninth chapter commences with a brief notice of the labours ... obtaining a complete verification of his theory . By a rigorous discussion of its observed positions he demonstrated ...
... obtained by direct measurement with the micrometer ! The ninth chapter commences with a brief notice of the labours ... obtaining a complete verification of his theory . By a rigorous discussion of its observed positions he demonstrated ...
Page vii
... obtained by geometers , about the beginning of the present century , relative to the variations of the elements of the planetary orbits . The highly - refined method of investigation due originally to the genius of Euler , by which the ...
... obtained by geometers , about the beginning of the present century , relative to the variations of the elements of the planetary orbits . The highly - refined method of investigation due originally to the genius of Euler , by which the ...
Page xviii
... obtained by him . - Researches of the French Astronomers on the Theory of Uranus . Eugene Bouvard . - Le Verrier . - Account of his Researches . - Near Agreement of his Results with those of Adams . - Steps taken by Airy and Challis for ...
... obtained by him . - Researches of the French Astronomers on the Theory of Uranus . Eugene Bouvard . - Le Verrier . - Account of his Researches . - Near Agreement of his Results with those of Adams . - Steps taken by Airy and Challis for ...
Page xxi
... obtained without any trigonometrical calculation . In consequence of this improvement , the observations of the celestial bodies were henceforward made chiefly with instruments fixed in the meridian . The micrometer , the invention of ...
... obtained without any trigonometrical calculation . In consequence of this improvement , the observations of the celestial bodies were henceforward made chiefly with instruments fixed in the meridian . The micrometer , the invention of ...
Page 20
... obtained only a very weak hold of the problem . After remarking that the compensatory effects of the two constant forces will maintain the body at a determinate distance from the centre , he then says , " therefore the planet will ...
... obtained only a very weak hold of the problem . After remarking that the compensatory effects of the two constant forces will maintain the body at a determinate distance from the centre , he then says , " therefore the planet will ...
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History of Physical Astronomy: From the Earliest Ages to the Middle of the ... Robert Grant No preview available - 2015 |
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action apparent diameter apparent magnitude appeared apsides ascertained assigned Astronomer Royal astronomers atmosphere axis calculated Cassini catalogue celestial bodies centre circumstance comet computed Connaissance des Temps consequence deduced determined discovered discovery disk disturbing force earth eccentricity effect elements ellipticity epoch equal equator errors exhibited geometer gravitation Halley Hence Hipparchus illustrious inclination inequality instrument investigation Jupiter Kepler labours Lagrange Laplace light limb longitude luminous lunar magnitude mass mean distance mean motion Mém method moon moon's Neptune Newton nodes object observations Observatory obtained occasion orbit parallax perihelion period perturbations phenomena phenomenon Phil physical planetary position principle proper motions radius vector rays reflecting telescope refraction remarked researches respect revolving right ascension ring Royal Royal Observatory satellite Saturn similar Sir William Herschel solar spots stars Struve sun's supposed surface tangential angle telescope theory tion total eclipse Trans Uranus variation Verrier visible
Popular passages
Page 30 - The third I now design to suppress. Philosophy is such an impertinently litigious Lady, that a man had as good be engaged in lawsuits, as have to do with her.
Page 207 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
Page 40 - I know not what the world will think of my labors, but to myself it seems that I have been but as a child playing on the seashore, now finding some pebble rather more polished, and now some shell rather more agreeably variegated than another, while the immense ocean of truth extended itself unexplored before me.
Page xxi - I will indulge in my sacred fury; I will triumph over mankind by the honest confession that I have stolen the golden vases of the Egyptians* to build up a tabernacle for my God far away from the confines of Egypt.
Page 166 - Formed a design in the beginning of this week, of investigating, as soon as possible after taking my degree, the irregularities in the motion of Uranus, which are yet unaccounted for; in order to find whether they may be attributed to the action of an undiscovered planet beyond it; and if possible thence to determine the elements of its orbit, etc. approximately, which would probably lead to its discovery.
Page xxi - It is now eighteen months since I got the first glimpse of light, three months since the dawn, very few days since the unveiled sun, most admirable to gaze on, burst out upon me. Nothing holds me: I will indulge in my sacred fury ; I will triumph over mankind by the honest confession, that I have stolen the golden vases of the Egyptians to build up a tabernacle for my God, far from the confines of Egypt.
Page 512 - ... urgently requested to look at the moon and planets through my glass, which he pertinaciously refuses to do. Why are you not here ? "What shouts of laughter we should have at this glorious folly, and to hear the Professor of Philosophy at Pisa labouring before the Grand Duke, with logical arguments, as if with magical incantations, to charm the new planets out of the sky.
Page 360 - I forbear to mention the chill and damp with which the darkness of this eclipse was attended, of which most spectators were sensible, and equally judges, or the concern that appeared in all sorts of animals, birds, beasts, and fishes upon the extinction of the sun ; since ourselves could not behold it without some sense of horror.
Page 253 - Saturn, perhaps, devoured his children ? Or were the appearances indeed illusion or fraud, with •which the glasses have so long deceived me as well as many others to whom I have shown them...
Page 450 - Royal was established in 1765, the duty of the incumbent was declared to be " to apply himself with the most exact care and diligence to the rectifying the Tables of the Motions of the Heavens, and the places of the Fixed Stars in order to find out the so much desired Longitude at Sea for the perfecting -the Art of Navigation.