Fourteen Weeks in Descriptive Astronomy |
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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 ...
Page 24
... astronomer carried on his ob- servations in the upper part of a humble , dilapi- dated farm - house , through the roof of which he had an unobstructed view of the sky . The work con- taining his theory was at last published just in time ...
... astronomer carried on his ob- servations in the upper part of a humble , dilapi- dated farm - house , through the roof of which he had an unobstructed view of the sky . The work con- taining his theory was at last published just in time ...
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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