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 xx
... Proper Motions of the Stars . - Motion of the Solar System in Space . Double Stars . - Discovery of their Physical Connexion by Sir William Herschel . — Methods for determining the Elements of their Orbits . — Nebula.— Speculations of ...
... Proper Motions of the Stars . - Motion of the Solar System in Space . Double Stars . - Discovery of their Physical Connexion by Sir William Herschel . — Methods for determining the Elements of their Orbits . — Nebula.— Speculations of ...
Page 78
... motion of the planet might be direct , contrary to the calculations of astronomers , and that he had got in advance of the stars by means of his proper motion . He therefore waited for the following night with great anxiety , but his ...
... motion of the planet might be direct , contrary to the calculations of astronomers , and that he had got in advance of the stars by means of his proper motion . He therefore waited for the following night with great anxiety , but his ...
Page 460
... correct , whereas he had found by his own observations that they were ... motions of the heavens , and the places of the fixed stars , so as to find ... proper site for it ; and the Master General of the Ordnance is instructed to ...
... correct , whereas he had found by his own observations that they were ... motions of the heavens , and the places of the fixed stars , so as to find ... proper site for it ; and the Master General of the Ordnance is instructed to ...
Page 506
... motion is given by a peculiar mechanism . This in- genious contrivance for fixing the precise instant of a phenomenon ... proper motions of the stars , and to arrive at conclusions respecting the changes which may be taking place in the ...
... motion is given by a peculiar mechanism . This in- genious contrivance for fixing the precise instant of a phenomenon ... proper motions of the stars , and to arrive at conclusions respecting the changes which may be taking place in the ...
Page 513
... proper motions . In the tenth volume of the " Memoirs of the Astrono- mical Society " there is inserted a catalogue of the right ascensions of 1318 stars , determined by Mr. ( now Lord ) Wrottesley at a private observatory which he ...
... proper motions . In the tenth volume of the " Memoirs of the Astrono- mical Society " there is inserted a catalogue of the right ascensions of 1318 stars , determined by Mr. ( now Lord ) Wrottesley at a private observatory which he ...
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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.