The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 11
... miles and three quarters ; if the eye be elevated six feet , it will be just three miles . The observer being always in the centre of the sensible horizon , it will move as he moves , and enlarge or contract , as his station is elevated ...
... miles and three quarters ; if the eye be elevated six feet , it will be just three miles . The observer being always in the centre of the sensible horizon , it will move as he moves , and enlarge or contract , as his station is elevated ...
Page 20
... miles per second ! Fig . 22 , map VIII . , is a representation of this object . PISCES ( THE FISHES ) .- MAP V. 36. This constellation is now the first in order of the twelve constellations of the Zodiac , and is usually represented by ...
... miles per second ! Fig . 22 , map VIII . , is a representation of this object . PISCES ( THE FISHES ) .- MAP V. 36. This constellation is now the first in order of the twelve constellations of the Zodiac , and is usually represented by ...
Page 59
... miles , is supposed to be less than that of any other star : a distance , however , so great that a cannon ball , which flies at the rate of 19 miles a minute , would be two millions of years in passing over the mighty interval ; while ...
... miles , is supposed to be less than that of any other star : a distance , however , so great that a cannon ball , which flies at the rate of 19 miles a minute , would be two millions of years in passing over the mighty interval ; while ...
Page 126
... miles distant ; and to be moving through space 60,000 times as fast as Mercury - the swiftest body known to our system . The period of 61 Cygni as a binary system , is about 450 years . For orbit , & c . , see Map VIII . , Fig . 18 ...
... miles distant ; and to be moving through space 60,000 times as fast as Mercury - the swiftest body known to our system . The period of 61 Cygni as a binary system , is about 450 years . For orbit , & c . , see Map VIII . , Fig . 18 ...
Page 134
... miles of the truth ; 15,000 pounds to the man who should find it within 40 miles , and 20,000 pounds , if found within 30 miles . These rewards in part , have been since distributed among eminent mathematicians , in Europe , agreeably ...
... miles of the truth ; 15,000 pounds to the man who should find it within 40 miles , and 20,000 pounds , if found within 30 miles . These rewards in part , have been since distributed among eminent mathematicians , in Europe , agreeably ...
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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