The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 13
... right angles . Every place on the Earth , and every corresponding point in the heavens , is considered as having a ... Ascension is the distance of a heavenly body east from the first point of Aries , measured on the equinoctial . It is more ...
... right angles . Every place on the Earth , and every corresponding point in the heavens , is considered as having a ... Ascension is the distance of a heavenly body east from the first point of Aries , measured on the equinoctial . It is more ...
Page 14
... right ascension and declination , they might be considered as constituting one map . The scale on which all the ... right to left , on each side of the equinoctial and parallel to it , are called Parallels of Declination . Those which ...
... right ascension and declination , they might be considered as constituting one map . The scale on which all the ... right to left , on each side of the equinoctial and parallel to it , are called Parallels of Declination . Those which ...
Page 15
... right ascension . That point of projection for the maps which would exhibit each successive portion of the heavens directly overhead at 9 o'clock in the evening , was chosen , because in sum- mer at an earlier hour the twilight would ...
... right ascension . That point of projection for the maps which would exhibit each successive portion of the heavens directly overhead at 9 o'clock in the evening , was chosen , because in sum- mer at an earlier hour the twilight would ...
Page 18
... right ascension is nearly 15 ° ; or one hour E. of the equinoctial colure . 30. It consists of 66 visible stars , of which three are of the 2d magnitude , and two of the 3d ; most of the rest are small . The stars directly in the zenith ...
... right ascension is nearly 15 ° ; or one hour E. of the equinoctial colure . 30. It consists of 66 visible stars , of which three are of the 2d magnitude , and two of the 3d ; most of the rest are small . The stars directly in the zenith ...
Page 19
... right ascension of all the heavenly bodies is measured . MYTHOLOGICAL HISTORY . 32. The story of Andromeda , from which this constellation derives its name , is as follows : She was daughter of Cepheus , King of Ethiopia , by Cassiopeia ...
... right ascension of all the heavenly bodies is measured . MYTHOLOGICAL HISTORY . 32. The story of Andromeda , from which this constellation derives its name , is as follows : She was daughter of Cepheus , King of Ethiopia , by Cassiopeia ...
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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