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" This motion changes into epicycloids the ellipses of the planets and comets> which revolve round the sun. The sun appears to have a particular motion, which carries our system towards the constellation of Hercules. The apparent diameter of the sun, as... "
Astronomical Tables and Formulæ Together with a Variety of Problems ... - Page 4
by Francis Baily - 1827 - 304 pages
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The Gallery of Nature and Art; Or, A Tour Through Creation and Science, Volume 1

Edward T W. Polehampton - 1815 - 568 pages
...appears to have a particular motion, which carries our system towards the constellation of Hercules. The apparent diameter of the sun, as seen from the...earth is in its aphelion ; at which time it is 31' 3l",0. Its mean apparent diameter is therefore 32' 3",3. His horizontal parallax is 8f ". • . _ The...
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The Gallery of Nature and Art; Or, a Tour Through Creation and Science, Volume 1

Edward Polehampton - 1815 - 592 pages
...appears to have a particular motion, which carries our system towards the constellation of Hercules. The apparent diameter of the sun, as seen from the...the earth is in its aphelion; at which time it is 31'3l",0. Its meaa apparent diameter is therefore 32' 3",3. His horizontal parallax is 8f". The greatest...
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The Gallery of Nature and Art: Or, a Tour Through Creation and Science, Volume 1

Edward Polehampton, John Mason Good - 1818 - 590 pages
...the constellation of Hercules. The apparent diameter of the sun, as seen from the earth, under* goes a periodical variation. It is greatest when the earth...earth is in its aphelion ; at which time it is 31' 3l",0. Its mean apparent diameter is therefore 32' 3' ,3. • ••• , His horizontal parallax is...
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Dictionary of the Mathematical and Physical Sciences, According to the ...

James Mitchell - 1823 - 666 pages
...appears to have a particular motion, which carries our system towards the constellation of Hercules. The apparent diameter of the sun, as seen from the...the earth is in its perihelion; at which time it is 33/35" ,6; and it is least when the earth is in its aphelion, when it is 81'31",0. Its mean Apparent...
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The New American Grammar of the Elements of Astronomy: On an Improved Plan ...

James Ryan - 1827 - 408 pages
...drachms, and bodies would fall there with a velocity of 334 feet 8 inches in the first second of time. 3. The apparent diameter of the Sun, as seen from the...It is greatest when the Earth is in its perihelion, which is about December the Slst, at which time it is 32' 35.6" ; and it is least, when the Earth js...
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A Popular Grammar of the Elements of Astronomy: Adapted to the Use of ...

Thomas Squire - 1836 - 332 pages
...gravity of the system ; which centre it iwice his own diameter distant. 6. The apparent diameter »f the sun, as seen from the earth, undergoes a periodical...It is greatest when the earth is in its perihelion, which is about Deceirber the 31st, at which time it is 32' 35"-6 : and it is least, when the earth...
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