Astronomical and Geographical Essaysauthor, 1789 - 665 páginas |
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Página 155
... shine only by the light they re- ceive from the fun , is plain , because they are not visible when they are in fuch parts of their orbits as are between the fun and earth , that is , when their illuminated fide is turned from us . The ...
... shine only by the light they re- ceive from the fun , is plain , because they are not visible when they are in fuch parts of their orbits as are between the fun and earth , that is , when their illuminated fide is turned from us . The ...
Página 205
... figures ; and that the milky way is that particular nebula in which our fun is placed . 2. That each nebu- la is compofed of a prodigious number of funs , or or bodies , that shine by their own native splendor ASTRONOMICAL ESSAYS . 205.
... figures ; and that the milky way is that particular nebula in which our fun is placed . 2. That each nebu- la is compofed of a prodigious number of funs , or or bodies , that shine by their own native splendor ASTRONOMICAL ESSAYS . 205.
Página 206
George Adams. or bodies , that shine by their own native splendor . 3. That each individual sun is destined to give light to hundreds of worlds that revolve about it , but which can no more be feen by us , on ac- count of their great ...
George Adams. or bodies , that shine by their own native splendor . 3. That each individual sun is destined to give light to hundreds of worlds that revolve about it , but which can no more be feen by us , on ac- count of their great ...
Página 337
... shine , the time he fhines conftantly ; when he begins to disap- pear , the length of his abfence , as well as the first and last day of his appearance to those in- habitants ; the day of the month , or latitude of the place , being ...
... shine , the time he fhines conftantly ; when he begins to disap- pear , the length of his abfence , as well as the first and last day of his appearance to those in- habitants ; the day of the month , or latitude of the place , being ...
Página 361
... shine bright , his declination , & c . may be found by an applica- tion in the manner of problem 35 . PROBLEM XXXVIII . To find the fun's azimuth naturally . If a great circle , at right angles to the horizon , paffes through the zenith ...
... shine bright , his declination , & c . may be found by an applica- tion in the manner of problem 35 . PROBLEM XXXVIII . To find the fun's azimuth naturally . If a great circle , at right angles to the horizon , paffes through the zenith ...
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Términos y frases comunes
aftronomy alfo alſo apparent motion atmoſphere becauſe bodies braſs meridian broad paper circle called cauſes celeftial confequently conjunction decreaſe defcribe degrees diameter diftinguiſhed diſappear diſcovered diſtance diurnal motion earth eaſt ecliptic elongation equator faid fame fatellites feen fhadow fhew fhould fide figns firſt fituation fixed ftars fize folar fome fometimes fouth fouthern fpectator fuch fummer fun appears fun's fuperior fuppofe furface fyftem greateſt heavens hemifphere horizon increaſe inferior conjunction inferior planets inhabitants interfect itſelf Jupiter latitude lefs light London longitude meaſure Mercury miles moon moon's moſt move muſt night nodes obferved oppofite orbit paffes paffing parallax parallel phænomena pofition polar circle pole reaſon repreſent reſpect retrograde motion revolves round rife round the fun Saturn ſeen ſhall ſhe ſmall ſpace ſphere ſpots ſtars ſuppoſe ſyſtem teleſcope thefe theſe thofe thoſe tropic of Cancer univerfe uſed Venus viſible weft whofe