The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 10
... seen only through télescopes . In order to be able to designate with precision their situa- tions , imaginary circles have been considered as drawn in the heavens , most of which correspond to , and are in the same plane with , similar ...
... seen only through télescopes . In order to be able to designate with precision their situa- tions , imaginary circles have been considered as drawn in the heavens , most of which correspond to , and are in the same plane with , similar ...
Page 12
... seen beyond 8 ° either north or south of the ecliptic . 12. Parallels of Latitude are small circles imagined to be drawn on the Earth's surface , north and south of the equator , and parallel to it . Parallels of Declination are small ...
... seen beyond 8 ° either north or south of the ecliptic . 12. Parallels of Latitude are small circles imagined to be drawn on the Earth's surface , north and south of the equator , and parallel to it . Parallels of Declination are small ...
Page 18
... seen in the pre- sence of the moon , but the bright star Almaack ( y ) , of the 2d magnitude , in the left foot , may be seen 13 ° due E. , and Merach ( B ) , of the same magnitude , in the girdle 7 ° south of the zenith . This star is ...
... seen in the pre- sence of the moon , but the bright star Almaack ( y ) , of the 2d magnitude , in the left foot , may be seen 13 ° due E. , and Merach ( B ) , of the same magnitude , in the girdle 7 ° south of the zenith . This star is ...
Page 20
... seen very obliquely . Captain Smyth says : " In my telescope it is certainly brighter at the edges than along the central part . " See map VIII . , Fig . 21 . 7. About 2 ° from Nu at the north - western extremity of the girdle , R. A. ...
... seen very obliquely . Captain Smyth says : " In my telescope it is certainly brighter at the edges than along the central part . " See map VIII . , Fig . 21 . 7. About 2 ° from Nu at the north - western extremity of the girdle , R. A. ...
Page 23
... seen in the Milky Way . Her foot rests upon the Arctic Circle , upon which her chair is placed . She is surrounded by the chief personages of her royal family . The king , her husband , is on her right hand - Perseus , her son - in ...
... seen in the Milky Way . Her foot rests upon the Arctic Circle , upon which her chair is placed . She is surrounded by the chief personages of her royal family . The king , her husband , is on her right hand - Perseus , her son - in ...
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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