The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 12
... On the terrestrial ? 14. The Colures ? Where situated ? When is the Sun at the equi- noctial points ? The solsticial ? 15. What are the Polar Circles ? from the equator , being always at the same distance 12 ASTRONOMY .
... On the terrestrial ? 14. The Colures ? Where situated ? When is the Sun at the equi- noctial points ? The solsticial ? 15. What are the Polar Circles ? from the equator , being always at the same distance 12 ASTRONOMY .
Page 17
... situated in this meridian near the 33d degree of north declination , while in New England it should be those which are situated in it near the 42d degree . 28. We might , however , begin with the stars near either of the meridians ...
... situated in this meridian near the 33d degree of north declination , while in New England it should be those which are situated in it near the 42d degree . 28. We might , however , begin with the stars near either of the meridians ...
Page 18
... situated between 20 ° and 50 ° of N. declination . Its mean 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 ...
... situated between 20 ° and 50 ° of N. declination . Its mean 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 ...
Page 20
... of this arrangement ? TELESCOPIC OBJECTS . - What double stars ? a ? 3 ? y ? What clusters or nebulæ ? Slown on map , or not ? 26. Pisces ? Where situated ? What now called ? in the heavens , and its outline at first is 20 ASTRONOMY .
... of this arrangement ? TELESCOPIC OBJECTS . - What double stars ? a ? 3 ? y ? What clusters or nebulæ ? Slown on map , or not ? 26. Pisces ? Where situated ? What now called ? in the heavens , and its outline at first is 20 ASTRONOMY .
Page 21
... situated in the node , or flexure of the ribbon . This is the principal star in the constellation , and is situated 2 ° N. of the equinoctial , and 53 minutes east of the meridian . Seven degrees S. E. of El Rischa , passing by three or ...
... situated in the node , or flexure of the ribbon . This is the principal star in the constellation , and is situated 2 ° N. of the equinoctial , and 53 minutes east of the meridian . Seven degrees S. E. of El Rischa , passing by three or ...
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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