The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 13
... minutes , in passing over 1o . If the first point of Aries be on the meridian at 12 o'clock , the next hour line , which is 15 ° E. of it , will come to the meridian at 1 o'clock ; the second hour line at 2 o'clock ; the third at 8 ...
... minutes , in passing over 1o . If the first point of Aries be on the meridian at 12 o'clock , the next hour line , which is 15 ° E. of it , will come to the meridian at 1 o'clock ; the second hour line at 2 o'clock ; the third at 8 ...
Page 19
... minutes , and seconds , instead of degrees , minutes , and seconds : each hour answering to 15 ° . The hour circles are distinctly drawn on all the maps , the first being 15 ° east of the equinoctial colure ( Map II . ) , and so on ...
... minutes , and seconds , instead of degrees , minutes , and seconds : each hour answering to 15 ° . The hour circles are distinctly drawn on all the maps , the first being 15 ° east of the equinoctial colure ( Map II . ) , and so on ...
Page 21
... minutes east of the meridian . Seven degrees S. E. of El Rischa , passing by three or four very small stars , we come to Mira , in the whale , a star of about the 3d magnitude , and known as the " Wonderful Star of 1596. " El Rischa may ...
... minutes east of the meridian . Seven degrees S. E. of El Rischa , passing by three or four very small stars , we come to Mira , in the whale , a star of about the 3d magnitude , and known as the " Wonderful Star of 1596. " El Rischa may ...
Page 24
... minutes on that side of it which is towards Caph , the position of the latter becomes important , as it always shows on which side of the true pole the polar star is . There is another important fact in relation to the position of this ...
... minutes on that side of it which is towards Caph , the position of the latter becomes important , as it always shows on which side of the true pole the polar star is . There is another important fact in relation to the position of this ...
Page 25
... minute companion ; R. A. 0h . 0m . 42s .; Dec. N. 58 ° 16 ′ 03 ′′ . A 21⁄2 , whitish ; B 111⁄2 , dusky . Look directly opposite Megris , in the great dipper , through the pole star , and about as far beyond . 3. Y CASSIOPER - A bright ...
... minute companion ; R. A. 0h . 0m . 42s .; Dec. N. 58 ° 16 ′ 03 ′′ . A 21⁄2 , whitish ; B 111⁄2 , dusky . Look directly opposite Megris , in the great dipper , through the pole star , and about as far beyond . 3. Y CASSIOPER - A bright ...
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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 celestial Cepheus circle cluster comet constellation Cor Caroli declination degree Delta Denebola diameter distant companion diurnal motion DOUBLE STAR Earth Earth's orbit east ecliptic equator equinoctial figure fixed stars Gamma head heavens hemisphere Herschel horizon Jupiter latitude Libra 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 tides tion triangle TRIPLE STAR Ursa Ursa Major Venus vernal equinox visible Zeta Zodiac