The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 11
... move as he moves , and enlarge or contract , as his station is elevated or depressed . 8. The Poles of the Horizon are two points , of which the one is directly overhead , and is called the Zenith ; the other is directly underfoot , and ...
... move as he moves , and enlarge or contract , as his station is elevated or depressed . 8. The Poles of the Horizon are two points , of which the one is directly overhead , and is called the Zenith ; the other is directly underfoot , and ...
Page 17
... moving . Many of the stars also in that region of the skies never set , so that when the sky is clear , they may be seen at any hour of the night . They revolve about the pole in small circles , and never disappear below the horizon ...
... moving . Many of the stars also in that region of the skies never set , so that when the sky is clear , they may be seen at any hour of the night . They revolve about the pole in small circles , and never disappear below the horizon ...
Page 24
... moving from its place , it became utterly extinct . Its color , during this time , exhibited all the phenomena of a prodigious flame - first , it was of a dazzling white , then of a reddish yellow , and lastly of an ashy paleness , in ...
... moving from its place , it became utterly extinct . Its color , during this time , exhibited all the phenomena of a prodigious flame - first , it was of a dazzling white , then of a reddish yellow , and lastly of an ashy paleness , in ...
Page 26
... moves over a much less space in one hour , than one at the equi- noctial ; and generally , the nearer the pole , the narrower the space , and the slower the motion . The stars that are so near the pole may be better described by their ...
... moves over a much less space in one hour , than one at the equi- noctial ; and generally , the nearer the pole , the narrower the space , and the slower the motion . The stars that are so near the pole may be better described by their ...
Page 53
... moves round in her orbit from the first point of Aries to the same point again , the sun , in the mean- time , will ... move by them , we should see it passing over the constellation Gemini between the 21st of June and the 23d of July ...
... moves round in her orbit from the first point of Aries to the same point again , the sun , in the mean- time , will ... move by them , we should see it passing over the constellation Gemini between the 21st of June and the 23d of July ...
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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