The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
From inside the book
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Page 11
... continue to oscillate at long periods , between certain limits , which are said to be comprised within the space of 20 ° 42 ' . 10. The Ecliptic , like every other circle , contains 360 ° , and it is divided into 12 equal arcs of 30 ...
... continue to oscillate at long periods , between certain limits , which are said to be comprised within the space of 20 ° 42 ' . 10. The Ecliptic , like every other circle , contains 360 ° , and it is divided into 12 equal arcs of 30 ...
Page 24
... continue to be employed for endless ages ; forming new systems of beings to adore him ; and transplanting beings ... continues he , is confirmed by their change of color , which is analogous to that presented to us on the earth by those ...
... continue to be employed for endless ages ; forming new systems of beings to adore him ; and transplanting beings ... continues he , is confirmed by their change of color , which is analogous to that presented to us on the earth by those ...
Page 29
... continuing till it rose the next following night , when it would have performed one complete revolution in the heavens . The water falling down into the receiver they divided into twelve equal parts ; and having twelve other small ...
... continuing till it rose the next following night , when it would have performed one complete revolution in the heavens . The water falling down into the receiver they divided into twelve equal parts ; and having twelve other small ...
Page 35
... continues above the horizon 18 hours out of 24 , it may be seen every evening from September to May . It varies from the 2d to the 4th magnitude in about 3 hours , and back again in the same time ; after which it remains steadily ...
... continues above the horizon 18 hours out of 24 , it may be seen every evening from September to May . It varies from the 2d to the 4th magnitude in about 3 hours , and back again in the same time ; after which it remains steadily ...
Page 53
... continue visible through the night . Also , whatever constellation rises and sets with the sun to - day , will , six months hence , rise at sun - setting , and set at sun - rising . For example : the sun is in the centre of Gemini about ...
... continue visible through the night . Also , whatever constellation rises and sets with the sun to - day , will , six months hence , rise at sun - setting , and set at sun - rising . For example : the sun is in the centre of Gemini about ...
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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