Fourteen Weeks in Descriptive Astronomy |
From inside the book
Results 1-5 of 48
Page 7
... cause any inconvenience in the use of all the editions in the same class . These are to be considered , not as corrections of errors , but as improvements suggested by the constant advance made in science , and by practical work in the ...
... cause any inconvenience in the use of all the editions in the same class . These are to be considered , not as corrections of errors , but as improvements suggested by the constant advance made in science , and by practical work in the ...
Page 18
... causes . For his audacity and impiety , as his countryman considered it , he and his family were doomed to perpetual banish- ment . Pythagoras founded the second celebrated astro- nomical school , at Crotona , at which were educated ...
... causes . For his audacity and impiety , as his countryman considered it , he and his family were doomed to perpetual banish- ment . Pythagoras founded the second celebrated astro- nomical school , at Crotona , at which were educated ...
Page 32
... causes all bodies thus to descend to the earth , and remembering that this force continues , even when we ascend to the tops of high mountains , the thought occurred to his mind , " May not this same force extend to a great distance out ...
... causes all bodies thus to descend to the earth , and remembering that this force continues , even when we ascend to the tops of high mountains , the thought occurred to his mind , " May not this same force extend to a great distance out ...
Page 56
... have a motion of their own . - Besides the motion already named as assigned to the sun's rota- tion , the spots seem to have a motion of their own , and this fact is undoubtedly the cause of the va- 56 THE SOLAR SYSTEM .
... have a motion of their own . - Besides the motion already named as assigned to the sun's rota- tion , the spots seem to have a motion of their own , and this fact is undoubtedly the cause of the va- 56 THE SOLAR SYSTEM .
Page 57
Joel Dorman Steele. and this fact is undoubtedly the cause of the va- riation in the estimates made of the time of the sun's revolution on its axis . A spot near the equator Fig . 10 . CYCLONE . performs a synodic revolution in about ...
Joel Dorman Steele. and this fact is undoubtedly the cause of the va- riation in the estimates made of the time of the sun's revolution on its axis . A spot near the equator Fig . 10 . CYCLONE . performs a synodic revolution in about ...
Other editions - View all
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.