The Geography of the Heavens, and Class Book of Astronomy; Accompanied by a Celestial Atlas |
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Page v
... periods , for a succession of years ; al- ways adding such emendations as subsequent observations matured . To satisfy myself of the applicability of these descriptions , I have given detached portions of them to different pupils , and ...
... periods , for a succession of years ; al- ways adding such emendations as subsequent observations matured . To satisfy myself of the applicability of these descriptions , I have given detached portions of them to different pupils , and ...
Page x
... periods of the year most proper for the opera- tions of tillage and sowing . The ancients were directed in these operations , in the first instance , by observing the courses of the moon , and that twelve revolutions of this luminary ...
... periods of the year most proper for the opera- tions of tillage and sowing . The ancients were directed in these operations , in the first instance , by observing the courses of the moon , and that twelve revolutions of this luminary ...
Page xi
... period when they might exnect the overflowing of the Nile , and , conse- quently , the time when they were to sow ... periods of time , can ascertain what remarkable eclipses must have been visible at any particular time and place , and ...
... period when they might exnect the overflowing of the Nile , and , conse- quently , the time when they were to sow ... periods of time , can ascertain what remarkable eclipses must have been visible at any particular time and place , and ...
Page xii
... period when Thales the philosopher flourished , particu larly from the famous eclipse which he predicted , and which hap- pened just as the two armies under Algattes , king of Lydia , and Cyaxares the Mede were engaged ; and which has ...
... period when Thales the philosopher flourished , particu larly from the famous eclipse which he predicted , and which hap- pened just as the two armies under Algattes , king of Lydia , and Cyaxares the Mede were engaged ; and which has ...
Page xiii
... periods of time , and are destined to subserve some grand and beneficent designs in the sys- tem to which they belong . So that we may now contemplate all such celestial phenomena , not only with composure and tranquillity , but with ...
... periods of time , and are destined to subserve some grand and beneficent designs in the sys- tem to which they belong . So that we may now contemplate all such celestial phenomena , not only with composure and tranquillity , but with ...
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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 Describe 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 mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebulæ night node north pole northern hemisphere observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star position principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac