The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
From inside the book
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Page 11
... angle with it of 234 ° . This angle is called the obliquity of the Ecliptic . The axis of the Ecliptic makes the same angle with the axis of the heavens ; so that the poles of each are 234 ° apart . This angle is perpetually decreasing ...
... angle with it of 234 ° . This angle is called the obliquity of the Ecliptic . The axis of the Ecliptic makes the same angle with the axis of the heavens ; so that the poles of each are 234 ° apart . This angle is perpetually decreasing ...
Page 13
... angles . Every place on the Earth , and every corresponding point in the heavens , is considered as having a meridian passing through it ; although astronomers apply but 24 to the heavens , thus dividing the whole concave surface into ...
... angles . Every place on the Earth , and every corresponding point in the heavens , is considered as having a meridian passing through it ; although astronomers apply but 24 to the heavens , thus dividing the whole concave surface into ...
Page 33
... angle of the figure . It is 34 ° N. of the equinoctial , and 15 ° E. of El Rischa in the bight of the cord between the Two Fishes . It is directly 37 ° S. of Algol , and nearly in the same direction from the Fly . It makes an ...
... angle of the figure . It is 34 ° N. of the equinoctial , and 15 ° E. of El Rischa in the bight of the cord between the Two Fishes . It is directly 37 ° S. of Algol , and nearly in the same direction from the Fly . It makes an ...
Page 36
... angle at Algol , with the open part towards Cassiopeia . By means of this strikingly perfect figure , the three stars last mentioned may always be recognized without the possibility of mistaking them . Algenib may otherwise be readily ...
... angle at Algol , with the open part towards Cassiopeia . By means of this strikingly perfect figure , the three stars last mentioned may always be recognized without the possibility of mistaking them . Algenib may otherwise be readily ...
Page 40
... angle with Aldebaran and Beta . Beta and Zeta , then , in the button of the horns , are in a line nearly north and south , 8 ° apart , with the brightest on the north . That very bright star 17 % N. of Beta , is Capellà , in the ...
... angle with Aldebaran and Beta . Beta and Zeta , then , in the button of the horns , are in a line nearly north and south , 8 ° apart , with the brightest on the north . That very bright star 17 % N. of Beta , is Capellà , in the ...
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Common terms and phrases
3d magnitude 4th magnitude angle aphelion appear Arcturus Aries astronomers Auriga axis Beta blue bright star called Cassiopeia celestial Cepheus circle cluster comet constellation Cor Caroli declination degree Delta Denebola diameter distant companion DOUBLE STAR Earth Earth's orbit east ecliptic equator equinoctial figure fixed stars Gamma head heavens hemisphere Herschel horizon Jupiter latitude light longitude luminous Map VIII mean distance Mercury meridian miles minutes Moon Moon's motion naked eye nearly NEBULA node north pole northern Number of stars o'clock observed Orion pale yellow parallax pass perihelion period planet Pleiades polar position principal star Refracting telescopes refraction remarkable represented revolution revolve right ascension rising satellites Saturn seen shadow sidereal Sirius situated small stars solstice southern Sun's supposed surface Taurus TELESCOPIC OBJECTS TELESCOPIC OBJECTS.-Alpha tides tion triangle TRIPLE STAR Ursa Ursa Major Venus vernal equinox visible Zeta Zodiac