Fourteen Weeks in Descriptive Astronomy |
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Page 9
... calculations on a distance , in round numbers , of 921 million miles . As the solar distance is the foot - rule for celestial meas- urements , the discrepancy here noted occurs in the other elements— diameters and distances of the ...
... calculations on a distance , in round numbers , of 921 million miles . As the solar distance is the foot - rule for celestial meas- urements , the discrepancy here noted occurs in the other elements— diameters and distances of the ...
Page 16
... years before Christ , put to death the principal officers of state because they had failed to calculate an approaching eclipse . * October 13 , 2127 B. C. THE CHALDEANS . - The Chaldean shepherds , watch- ing 16 INTRODUCTION .
... years before Christ , put to death the principal officers of state because they had failed to calculate an approaching eclipse . * October 13 , 2127 B. C. THE CHALDEANS . - The Chaldean shepherds , watch- ing 16 INTRODUCTION .
Page 18
... calculated them by means of the Saros . He was most emphatically a dreamer . He conceived a system of the universe ... calculate the size of some of the animals in the moon ; that the planet are placed at intervals cor- responding to the ...
... calculated them by means of the Saros . He was most emphatically a dreamer . He conceived a system of the universe ... calculate the size of some of the animals in the moon ; that the planet are placed at intervals cor- responding to the ...
Page 19
... calculated the length of the year to with- in six minutes , discovered the precession of the equi- noxes , and made the first catalogue of the stars- 1081 in number . mers . THE EGYPTIANS . - Egypt , as well as Chaldea , was noted for ...
... calculated the length of the year to with- in six minutes , discovered the precession of the equi- noxes , and made the first catalogue of the stars- 1081 in number . mers . THE EGYPTIANS . - Egypt , as well as Chaldea , was noted for ...
Page 33
... ures to find how much the moon's path around the earth curves each second . He reached the result Disav- at last . It was nearly , but not quite exact . pointed , he laid aside his calculations . Repeatedly he HISTORY . 33.
... ures to find how much the moon's path around the earth curves each second . He reached the result Disav- at last . It was nearly , but not quite exact . pointed , he laid aside his calculations . Repeatedly he HISTORY . 33.
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ancients Andromeda angle aphelion appearance Aries astronomers atmosphere axis body Boötes bright brilliant Canis Minor Capricornus Cassiopeia celestial centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk Draco earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune node north pole orbit Orion parallax pass path penumbra perihelion Perseus Pisces planet Polaris precession rays revolve ring rising Saturn seasons seen shadow shines shower sidereal sidereal day solar day solar system space spots summer sun's superior planet surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zodiac