History of Astronomy |
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If at theother endof the bar one end ofa shorter bar is pivotted, having the planet
at its other end,then the planet is given anannual motion in the secondary circle (
the epicycle), whose centrerevolves round the earth ontheprimary circle (the ...
If at theother endof the bar one end ofa shorter bar is pivotted, having the planet
at its other end,then the planet is given anannual motion in the secondary circle (
the epicycle), whose centrerevolves round the earth ontheprimary circle (the ...
Page
The centres of the epicycles of Mars, Jupiter, and Saturn were supposed to be
further away than the sun. Mercury and Venus were supposed to revolve in their
epicycles in their own periodic timesand in the deferentround the earthin a year.
The centres of the epicycles of Mars, Jupiter, and Saturn were supposed to be
further away than the sun. Mercury and Venus were supposed to revolve in their
epicycles in their own periodic timesand in the deferentround the earthin a year.
Page
EPICYCLES—FROM. PTOLEMY. TO. COPERNICUS. After Ptolemy had
published his book there seemed to be nothing more to do for the solar system
except to go on observing and finding moreandmore accurate valuesforthe
constants ...
EPICYCLES—FROM. PTOLEMY. TO. COPERNICUS. After Ptolemy had
published his book there seemed to be nothing more to do for the solar system
except to go on observing and finding moreandmore accurate valuesforthe
constants ...
Page
[5] It istrue that neither the Pythagorean northe EgyptoTychonicsystem required
epicycles for explaining retrograde motion,as ... But Copernicus remarked that he
could alsouse an epicycle forthispurpose, or that he could useboth an excentric ...
[5] It istrue that neither the Pythagorean northe EgyptoTychonicsystem required
epicycles for explaining retrograde motion,as ... But Copernicus remarked that he
could alsouse an epicycle forthispurpose, or that he could useboth an excentric ...
Page
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Airy allthe andthat andthe asthe Astronomer Royal Astronomia Nova astronomical units atmosphere atthe attraction axis bright bythe calculations catalogue centre century Chaldĉans Chinese comet confirmed Copernicus detected diameter discovered discovery distance earth eclipse epicycles equatoreal excentric explain fixed stars FOOTNOTES Frauenhofer fromthe Galileo Greenwich Halley havebeen heavenly bodies heavens heliometer Herschel Hipparchus Huggins hydrogen hypotheses inequality instruments inthe isthe John Herschel Jupiter Jupiter's Kepler lawof Lick Observatory light lines lunar Mars mathematical mean motion measured Mercury meteor miles moon moon's nebula Newton ofthese onthe orbit parallax perihelion period photographic physical planet planetary position predicted proper motion Ptolemy records reflector refractor retrograde retrograde motion revolve rotation round satellites Saturn seems solar system spectra spectroscope spectrum spots stellar sun's sunspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith
Bibliographic information
| Title | History of Astronomy Volume 1 of Library of Alexandria |
| Author | George Forbes |
| Publisher | Library of Alexandria, 2020 |
| ISBN | 1465583602, 9781465583604 |
| Length | 200 pages |
| Subjects | › › Fiction / Classics Fiction / Fantasy / Romantic History / Social History Reference / General |
| Export Citation | BiBTeX EndNote RefMan |