The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
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Results 6-10 of 51
Page xviii
... seasons , the difficulty of reconciling the apparent motions of the planets with their real mo- tions in circular or elliptical orbits , the effects produced by centri- fugal and centripetal forces , the precession of the equinoxes ...
... seasons , the difficulty of reconciling the apparent motions of the planets with their real mo- tions in circular or elliptical orbits , the effects produced by centri- fugal and centripetal forces , the precession of the equinoxes ...
Page xxii
... seasons , and directs the operations of the husbandman - it supplies us with an equable standard of time , and set les the events of history -- it lends its aid to the propagation of e- ligion , ard undermines the foundation of ...
... seasons , and directs the operations of the husbandman - it supplies us with an equable standard of time , and set les the events of history -- it lends its aid to the propagation of e- ligion , ard undermines the foundation of ...
Page 28
... seasons of the year . One of them passes through the equinoxes at Aries and Libra , and is thence called the Equinoctial Colure ; the other passes through the solstitial points or the points of the Sun's greatest declination north and ...
... seasons of the year . One of them passes through the equinoxes at Aries and Libra , and is thence called the Equinoctial Colure ; the other passes through the solstitial points or the points of the Sun's greatest declination north and ...
Page 31
... seasons of the year it is easier to look up to stars that want an hour of their meridian altitude than to those which are directly over head . It will be readily seen that the stars are so represented on the maps as to show their ...
... seasons of the year it is easier to look up to stars that want an hour of their meridian altitude than to those which are directly over head . It will be readily seen that the stars are so represented on the maps as to show their ...
Page 39
... season of the year . Its mean decli- nation is 60 ° N. and its right ascension 12 ° . It is on our ineridian the 22d of November , but does not sensibly change its position for several days ; for it should be remembered that the ...
... season of the year . Its mean decli- nation is 60 ° N. and its right ascension 12 ° . It is on our ineridian the 22d of November , but does not sensibly change its position for several days ; for it should be remembered that the ...
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Common terms and phrases
3d magnitude 4th magnitude ancient angle appear Arcturus Argo Navis Aries astronomers Auriga axis Beta brightest called Cassiopeia celestial centre Cepheus circle cluster colure comet constellation Cor Caroli declination degree Delta Denebola diameter direction distinguished diurnal motion Earth east ecliptic equal equator equinoctial figure fixed stars Gamma globe head heavenly bodies heavens Hercules Herschel horizon Jupiter latitude length Libra light longitude Mars mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebula night node north pole northern hemisphere o'clock observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots square Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac