A Handbook of Descriptive and Practical Astronomy: The sun, planets, and cometsClarendon Press, 1889 - Astronomical instruments |
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Page xxxi
... miles N. of Courtown , where the tide waves entering the Irish Sea by the South and by the North of Ireland nearly cancel each other . At Courtown the range of the tide is only 18 inches , and that place is at the head of a bay , though ...
... miles N. of Courtown , where the tide waves entering the Irish Sea by the South and by the North of Ireland nearly cancel each other . At Courtown the range of the tide is only 18 inches , and that place is at the head of a bay , though ...
Page 2
... miles ) , equal to 95,370,000 miles ; but these results , excellent as they were once thought to be , have long ceased to command the acceptance of astronomers , the fact being that modern experience has dis- credited Halley's method ...
... miles ) , equal to 95,370,000 miles ; but these results , excellent as they were once thought to be , have long ceased to command the acceptance of astronomers , the fact being that modern experience has dis- credited Halley's method ...
Page 4
... miles , with an error not likely much to exceed 150,000 miles * . Hansen contributed something towards the elucidation of the matter . As far back as 1854 that distinguished mathematician expressed his belief that the received value of ...
... miles , with an error not likely much to exceed 150,000 miles * . Hansen contributed something towards the elucidation of the matter . As far back as 1854 that distinguished mathematician expressed his belief that the received value of ...
Page 5
... miles . It is generally accepted that there is no visible compression . The surface of this enormous globe therefore exceeds that of the Earth 11,900 times , whilst the volume is 1,306,000 times greater ; since the surfaces of two ...
... miles . It is generally accepted that there is no visible compression . The surface of this enormous globe therefore exceeds that of the Earth 11,900 times , whilst the volume is 1,306,000 times greater ; since the surfaces of two ...
Page 6
... miles per second ) of the uprushes of incandescent gas and metallic vapours , which are almost constantly taking place Outlines of Ast . , p . 297 . at various parts of its surface . It would seem 6 [ BOOK I. The Sun and Planets .
... miles per second ) of the uprushes of incandescent gas and metallic vapours , which are almost constantly taking place Outlines of Ast . , p . 297 . at various parts of its surface . It would seem 6 [ BOOK I. The Sun and Planets .
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Common terms and phrases
apparition April astronomers atmosphere axis Berberich bright brilliant C. H. F. Peters calculated centre Chinese obs colour comet appeared comet was seen corona cubits cubits long dark diameter disappeared disc discovered discovery Earth elliptic orbit Encke Encke's comet equator Halley's comet Herschel Hind Inferior Conjunction July July 29 June Jupiter Lassell latitude Leonis light limb longitude luminous lunar Ma-tuoan-lin Mailla March Mars mean distance Mercury meteors miles minor planets Month Moon Moon's motion naked eye nearly Neptune node noticed nucleus observations Observatory Palisa Palisa Vienna parallax passed perihelion period assigned phenomenon Pingré planet radiant rays remarkable ring rotation satellites Saturn Sept shadow shower sidereal division solar solar eclipse spots star Sun-spot Sun's surface tail telescope total eclipse transit Uranus Ursa Ursa Major Venus visible weeks Williams Winnecke Zodiacal Light ΙΟ
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