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 angle aphelion appearance Aries astronomers atmosphere axis Boötes bright brilliancy calculated Canis Minor Capricornus Cassiopeia centre Cepheus circle colors comet conjunction constellation Cor Caroli density Describe diameter disk double stars earth east ecliptic equal equator equinoctial figure fixed stars globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior conjunction inferior planet Jupiter Kepler latitude length light longitude luminous lunar Lyra magnitude Mars mean distance measured Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune night node north pole orbit Orion pass path penumbra perihelion Perseus Pisces planet rays revolve ring Saturn seasons seen shines side sidereal day solar day solar parallax solar system solstice south pole space spots summer sun's surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity vernal equinox visible winter ZODIACAL ZODIACAL LIGHT
Popular passages
Page 6 - One God, one law, one element, And one far-off divine event, To which the whole creation moves.
Page 127 - ... while the Earth remaineth seed-time and harvest, and cold and heat, and summer and winter, and day and night shall not cease.
Page 259 - That nothing walks with aimless feet ; That not one life shall be destroyed, Or cast as rubbish to the void, When God hath made the pile complete...
Page 220 - Her nails are sharpen'd into pointed claws, Her hands bear half her weight, and turn to paws ; Her lips, that once could tempt a god, begin To grow distorted in an ugly grin. And...
Page 263 - A solar day is the interval between two successive passages of the sun across the meridian of any place. If the earth were stationary in its orbit, the solar day would be of the same length as the sidereal ; but while the earth is turning around on its axis, it is going forward at the rate a'i 360° in a year, or about 1° per day.
Page 34 - Law of gravitation: Every particle of matter in the universe attracts every other particle with a force varying directly as the product of their masses and inversely as the square of the distance between them.
Page 29 - If you forgive me, I rejoice ; if you are angry, I can bear it. The die is cast, the book is written, to be read either now or by posterity, I care not which. It may well wait a century for a reader, as God has waited six thousand years for an observer.
Page 131 - Were it not for the reflective and scattering power of the atmosphere, no objects would be visible to us out of direct sunshine; every shadow of a passing cloud would be pitchy darkness ; the stars would be visible all day, and every apartment, into which the sun had not direct admission, would be involved in nocturnal obscurity.
Page 186 - We see it as Columbus saw America from the shores of Spain. Its movements have been felt, trembling along the far-reaching line of our analysis, with a certainty hardly inferior to that of ocular demonstration.
Page 31 - Nature, such as the seven metals, &,c., which it were tedious to enumerate, we gather that the number of planets is necessarily seven. Moreover, the satellites are invisible to the naked eye, and therefore can exercise no influence over the earth, and therefore would be useless, and therefore do not exist.