Astronomical and Geographical Essaysauthor, 1789 - 665 páginas |
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Página xiv
... Shadows 323 XIX . Of the Antœeci , & c . 326 xx . To find thofe Places over whofe Zenith 329 XXI . To find the Sun's Place 330 XXII . To find the Sun's Declination - the Sun will pafs on any given Day 333 XXIII . To find the two Days on ...
... Shadows 323 XIX . Of the Antœeci , & c . 326 xx . To find thofe Places over whofe Zenith 329 XXI . To find the Sun's Place 330 XXII . To find the Sun's Declination - the Sun will pafs on any given Day 333 XXIII . To find the two Days on ...
Página 81
... shadow be pro- jected towards the east , or the weft , the north , or the fouth , under every circumftance it is cir- cular ; the body , therefore , that cafts the fhadow , which is the earth , must be of a globular figure . We shall ...
... shadow be pro- jected towards the east , or the weft , the north , or the fouth , under every circumftance it is cir- cular ; the body , therefore , that cafts the fhadow , which is the earth , must be of a globular figure . We shall ...
Página 173
... must be three bodies concerned in an eclipfe ; 1. the luminous body ; 2. the opake body , that cafts the fhadow ; and , 3. the body involved in the shadow . OF OF ECLIPSES OF THE MOON . As the earth is ASTRONOMICAL ESSAYS . 173.
... must be three bodies concerned in an eclipfe ; 1. the luminous body ; 2. the opake body , that cafts the fhadow ; and , 3. the body involved in the shadow . OF OF ECLIPSES OF THE MOON . As the earth is ASTRONOMICAL ESSAYS . 173.
Página 174
... shadow of the earth would be cylindrical , as in fig . 5 , plate IX . and would continue of the fame breadth at all diftances from the earth , and would confequently extend to an infinite distance , fo that Mars , Jupiter , or Saturn ...
... shadow of the earth would be cylindrical , as in fig . 5 , plate IX . and would continue of the fame breadth at all diftances from the earth , and would confequently extend to an infinite distance , fo that Mars , Jupiter , or Saturn ...
Página 175
... shadow , and there would be a total eclipfe of the moon . We have already observed , that the moon's orbit is inclined to the plane of the ecliptic , and only coincides with it in two places , which are termed termed the nodes . It may ...
... shadow , and there would be a total eclipfe of the moon . We have already observed , that the moon's orbit is inclined to the plane of the ecliptic , and only coincides with it in two places , which are termed termed the nodes . It may ...
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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