Astronomical and Geographical Essaysauthor, 1789 - 665 páginas |
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Página 16
... whose ingenuity and affiduity the aftronomical world is fo much in- debted , and of whose discoveries we shall speak more largely in another part of this effay , has evinced what great discoveries may be made by improvements in the ...
... whose ingenuity and affiduity the aftronomical world is fo much in- debted , and of whose discoveries we shall speak more largely in another part of this effay , has evinced what great discoveries may be made by improvements in the ...
Página 72
... a large and glorious globe , one of the most stupendous of the planets , whose diameter is 78,000 miles , miles , whofe furface contains 19,113,494,400 fquare miles . We need not , however , 19 , 72 ESSAYS . ASTRONOMICAL Of Saturn.
... a large and glorious globe , one of the most stupendous of the planets , whose diameter is 78,000 miles , miles , whofe furface contains 19,113,494,400 fquare miles . We need not , however , 19 , 72 ESSAYS . ASTRONOMICAL Of Saturn.
Página 119
... whose distance from the pole is lefs than that of the pole from the terminator , muft enjoy either a constant day , or a conftant night ; because they are never carried into the oppofite hemifphere by the diurnal rotation of the earth ...
... whose distance from the pole is lefs than that of the pole from the terminator , muft enjoy either a constant day , or a conftant night ; because they are never carried into the oppofite hemifphere by the diurnal rotation of the earth ...
Página 167
... whose circumference is turned towards the weft . At the last quarter , the appears again under the form of a femicircle , but with the circumference turned towards the east . L4 Thefe These phases may be illuftrated in a very plea- fing ...
... whose circumference is turned towards the weft . At the last quarter , the appears again under the form of a femicircle , but with the circumference turned towards the east . L4 Thefe These phases may be illuftrated in a very plea- fing ...
Página 219
... whose motion is direct . The orbits of most of them are inclined in large angles to the plane of the ecliptic . very in The velocity with which they move is variable every part of their orbit ; when they are near the fun , they move ...
... whose motion is direct . The orbits of most of them are inclined in large angles to the plane of the ecliptic . very in The velocity with which they move is variable every part of their orbit ; when they are near the fun , they move ...
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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