Fourteen Weeks in Descriptive Astronomy |
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Page 20
... ancients extremely complex . Venus , for instance , was sometimes seen as " evening star " in the west , and then again as " morning star " in the east . Sometimes she seemed to be moving in the same direction as the sun , then going ...
... ancients extremely complex . Venus , for instance , was sometimes seen as " evening star " in the west , and then again as " morning star " in the east . Sometimes she seemed to be moving in the same direction as the sun , then going ...
Page 84
... ancients , deceived by this , failed to discover the iden- tity of the two stars , and called the morning star ... ancient account that we have of this planet is given by Ptolemy , in his Almagest ; he states its location on the 15th of ...
... ancients , deceived by this , failed to discover the iden- tity of the two stars , and called the morning star ... ancient account that we have of this planet is given by Ptolemy , in his Almagest ; he states its location on the 15th of ...
Page 89
... ancients Phosphorus , Lucifer , or the Morning Star , and when she shone in the evening after sunset , Hesperus , Ves- per , or the Evening Star . She presents the same appearances as Mercury . Owing , however , to the greater diameter ...
... ancients Phosphorus , Lucifer , or the Morning Star , and when she shone in the evening after sunset , Hesperus , Ves- per , or the Evening Star . She presents the same appearances as Mercury . Owing , however , to the greater diameter ...
Page 159
... ancients regarded a total eclipse with feelings of indescribable terror , as an indication of the anger of an offended Deity , or the presage of some impending calamity . Even now , when the causes are fully understood , and the time of ...
... ancients regarded a total eclipse with feelings of indescribable terror , as an indication of the anger of an offended Deity , or the presage of some impending calamity . Even now , when the causes are fully understood , and the time of ...
Page 160
... then , we reckon 18 yr . 10 da . from any eclipse , we shall find the time of its repetition . This method was discovered , it is said , by the Chal- deans . The ancients were enabled , by means of 160 THE SOLAR SYSTEM .
... then , we reckon 18 yr . 10 da . from any eclipse , we shall find the time of its repetition . This method was discovered , it is said , by the Chal- deans . The ancients were enabled , by means of 160 THE SOLAR SYSTEM .
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Common terms and phrases
ancients Andromeda angle aphelion appear Aries astronomers atmosphere axis Boötes bright brilliant Canis Minor Capricornus Cassiopeia cause Celestial Sphere centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior conjunction inferior planet Jupiter latitude length light luminous lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon's motion move naked eye nearly nebula Neptune night node north pole Orion parallax pass path penumbra perihelion Perseus Pisces polar Polaris precession rays revolve ring rising Saturn seasons seen shine side sidereal sidereal day solar day solar system solstice space spots summer sun's surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible winter Zodiac