Fourteen Weeks in Descriptive Astronomy |
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Page 10
... orbit of the August meteors is identical with Comet III 1862 ( Swift's ) , and that of the Nov. 14th shower corres- ponds with Comet I 1866 ( Tempel's ) . The showers of Nov. 24 and 27 are thought to be produced by meteors traveling in ...
... orbit of the August meteors is identical with Comet III 1862 ( Swift's ) , and that of the Nov. 14th shower corres- ponds with Comet I 1866 ( Tempel's ) . The showers of Nov. 24 and 27 are thought to be produced by meteors traveling in ...
Page 25
... orbits of the planets . He adopted the Copernican theory , that the sun is the centre of the system . At that time all be- lieved the orbits to be circular . Since ... orbit the observations of Brahé would not fit the computed 2 HISTORY . 25.
... orbits of the planets . He adopted the Copernican theory , that the sun is the centre of the system . At that time all be- lieved the orbits to be circular . Since ... orbit the observations of Brahé would not fit the computed 2 HISTORY . 25.
Page 26
Joel Dorman Steele. orbit the observations of Brahé would not fit the computed place by eight minutes of a degree . Be- lieving that so good an astronomer could not be mistaken as to the facts , Kepler exclaimed , " Out of these eight ...
Joel Dorman Steele. orbit the observations of Brahé would not fit the computed place by eight minutes of a degree . Be- lieving that so good an astronomer could not be mistaken as to the facts , Kepler exclaimed , " Out of these eight ...
Page 27
... orbit , having the sun at the centre , and again fol- lowed the planet Mars in its course . But very soon there was as great discrepancy between the observed and computed places as before . Undismayed by this failure , Kepler assumed ...
... orbit , having the sun at the centre , and again fol- lowed the planet Mars in its course . But very soon there was as great discrepancy between the observed and computed places as before . Undismayed by this failure , Kepler assumed ...
Page 30
... he watched them , discovered a fourth star , and finally found that they were all rapidly revolving around Jupiter , each in its elliptical orbit , with its own rate of motion , and all accompanying the planet in its 30 INTRODUCTION .
... he watched them , discovered a fourth star , and finally found that they were all rapidly revolving around Jupiter , each in its elliptical orbit , with its own rate of motion , and all accompanying the planet in its 30 INTRODUCTION .
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ancients Andromeda angle aphelion appearance Aries astronomers atmosphere axis body Boötes bright brilliant Canis Minor Capricornus Cassiopeia celestial centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk Draco earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune node north pole orbit Orion parallax pass path penumbra perihelion Perseus Pisces planet Polaris precession rays revolve ring rising Saturn seasons seen shadow shines shower sidereal sidereal day solar day solar system space spots summer sun's superior planet surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zodiac