Astronomical and Geographical Essaysauthor, 1789 - 665 páginas |
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Página 12
... visible to the naked eye , may be seen in a winter's night , when the air is clear , and no moon appears . But even then , a good eye can fcarce diftinguish more than one thoufand at a time in the vifible hemi- fphere : for though on ...
... visible to the naked eye , may be seen in a winter's night , when the air is clear , and no moon appears . But even then , a good eye can fcarce diftinguish more than one thoufand at a time in the vifible hemi- fphere : for though on ...
Página 15
... visible . The number of the stars almost infinitely ex- ceeds what we have yet been speaking of . An ordinary telescope will discover , in several parts of the heavens , ten times as many stars as are visible to the naked eye . Hooke ...
... visible . The number of the stars almost infinitely ex- ceeds what we have yet been speaking of . An ordinary telescope will discover , in several parts of the heavens , ten times as many stars as are visible to the naked eye . Hooke ...
Página 21
... visible on the fide where they were first seen , always continuing the same motion nearly in an uniform manner . The distance between the spots grows wider as they advance from the edge towards the middle of the planet , and then grows ...
... visible on the fide where they were first seen , always continuing the same motion nearly in an uniform manner . The distance between the spots grows wider as they advance from the edge towards the middle of the planet , and then grows ...
Página 30
... visible , she is seen in the western part of the heavens , at no great distance from the fun . She increases * The conformity of this definition of the ecliptic , with that given in page 19 , will be seen hereafter . increases every ...
... visible , she is seen in the western part of the heavens , at no great distance from the fun . She increases * The conformity of this definition of the ecliptic , with that given in page 19 , will be seen hereafter . increases every ...
Página 33
... visible ; while , on the other hand , many are disappearing . Some never defcend below the horizon ; although as they turn round , they are sometimes nearer to , at others further from it , describing whole circles about a point above ...
... visible ; while , on the other hand , many are disappearing . Some never defcend below the horizon ; although as they turn round , they are sometimes nearer to , at others further from it , describing whole circles about a point above ...
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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