Fourteen Weeks in Descriptive Astronomy |
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Page 9
... astronomers themselves . There is a satisfaction in noticing that the facts and theories of Astronomy are untouched by this want of uniformity , it being only a question of a few miles more or less in a distance whose vastness in any ...
... astronomers themselves . There is a satisfaction in noticing that the facts and theories of Astronomy are untouched by this want of uniformity , it being only a question of a few miles more or less in a distance whose vastness in any ...
Page 14
... astronomer whose keen eye shall be strong enough to read the myste- rious scroll of the heavens . Two hundred genera- tions of study have revealed to us such startling facts , that we wonder how man in his feebleness can grasp so much ...
... astronomer whose keen eye shall be strong enough to read the myste- rious scroll of the heavens . Two hundred genera- tions of study have revealed to us such startling facts , that we wonder how man in his feebleness can grasp so much ...
Page 19
... under the patronage of munificent kings . At this school Ptol- emy , a Grecian , wrote his great work , the " Alma- gest , " which for fourteen centuries was the text- book of astronomers . In this work was given what HISTORY . 19.
... under the patronage of munificent kings . At this school Ptol- emy , a Grecian , wrote his great work , the " Alma- gest , " which for fourteen centuries was the text- book of astronomers . In this work was given what HISTORY . 19.
Page 20
Joel Dorman Steele. book of astronomers . In this work was given what is known as the " Ptolemaic System . " It was founded largely upon the materials gathered by previous astronomers , such as Hipparchus , whom we have already mentioned ...
Joel Dorman Steele. book of astronomers . In this work was given what is known as the " Ptolemaic System . " It was founded largely upon the materials gathered by previous astronomers , such as Hipparchus , whom we have already mentioned ...
Page 22
... astronomer . Indeed , when Julius Cæsar reformed the calendar , he obtained the assistance , not of a Roman , but of ... astronomers shared more or less in this superstition . Tiberius , emperor of Rome , practised Astrology . Hippoc ...
... astronomer . Indeed , when Julius Cæsar reformed the calendar , he obtained the assistance , not of a Roman , but of ... astronomers shared more or less in this superstition . Tiberius , emperor of Rome , practised Astrology . Hippoc ...
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Common terms and phrases
ancients Andromeda angle aphelion appearance Aries astronomers atmosphere axis body Boötes bright brilliant Canis Minor Capricornus Cassiopeia cause 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 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 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 zone