History of Astronomy |
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Page 2
For these reasons we find that the earnest men of all ages have recorded the
occurrence of comets, eclipses, new stars, meteor showers, and remarkable
conjunctions of the planets, as well as plagues and famines, floods and droughts,
wars ...
For these reasons we find that the earnest men of all ages have recorded the
occurrence of comets, eclipses, new stars, meteor showers, and remarkable
conjunctions of the planets, as well as plagues and famines, floods and droughts,
wars ...
Page 28
This was the point to which the motions of the planets were referred, for the
planes of their orbits were made to pass through it, and their points of least and
greatest velocities were also determined with reference to it. By this arrangement
the ...
This was the point to which the motions of the planets were referred, for the
planes of their orbits were made to pass through it, and their points of least and
greatest velocities were also determined with reference to it. By this arrangement
the ...
Page 66
... discovered two satellites, both revolving- in nearly the same plane, inclined 80°
to the ecliptic, and the motion of both was retrograde. In 1772, before Herschel's
discovery, Bode1 had discovered a curious arbitrary law of planetary distances.
... discovered two satellites, both revolving- in nearly the same plane, inclined 80°
to the ecliptic, and the motion of both was retrograde. In 1772, before Herschel's
discovery, Bode1 had discovered a curious arbitrary law of planetary distances.
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Contents
Ancient AstronomyChinese and Chaldeans | 7 |
Ancient Greek Astronomy | 13 |
The Reign of Epicycles From Ptolemy | 23 |
3 other sections not shown
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Common terms and phrases
accurate observations Airy ancient astro Astronomer Royal astronomical units attraction axis bright calculations Cape Cassini catalogue centre century Chinese comet compute Copernicus diameter discovered discovery earth eclipse Egyptian epicycles equatoreal error excentric explain fact fixed stars Galileo Greenwich Halley Halley's comet heavenly bodies heavens heliometer Hipparchus Huggins hydrogen hypothesis instruments Johann Kepler John Herschel Jupiter Jupiter's Kepler Lick Observatory light line of sight lunar Mars mathematical mean distance mean motion measured Mercury meteor miles a second moon moon's nebula Newton nodes noticed Observatory orbit parallax perihelion period photographic physical planet planetary pole position predicted proper motion proved Ptolemy R. S. Phil recognised records refractor retrograde retrograde motion revolve round ring rotation satellites seems seen showed Sirius solar system spectra spectroscope spectrum sphere spots stellar sun-spots supposed tables telescope theory tion Trans Tycho Brahe Uranus velocity Venus Verrier zenith
Bibliographic information
| Title | History of Astronomy The history of science series |
| Author | George Forbes |
| Publisher | Watts, 1921 |
| Original from | Indiana University |
| Digitized | 5 Aug 2010 |
| Length | 150 pages |
| Export Citation | BiBTeX EndNote RefMan |