Fourteen Weeks in Descriptive Astronomy |
From inside the book
Results 6-10 of 35
Page 21
... THEORY . B Thus they had a complete system . They did not exactly understand the nature of these bars- whether they were real or only imaginary - but they did comprehend their action , as they thought ; and so they supposed the bar ...
... THEORY . B Thus they had a complete system . They did not exactly understand the nature of these bars- whether they were real or only imaginary - but they did comprehend their action , as they thought ; and so they supposed the bar ...
Page 22
... theory . No wonder that Alfonso , king of Castile , and a very celebrated patron of Astronomy , revolted at the cumbersome machinery , and cried out , “ If I had been consulted at the creation , I could have done the thing better than ...
... theory . No wonder that Alfonso , king of Castile , and a very celebrated patron of Astronomy , revolted at the cumbersome machinery , and cried out , “ If I had been consulted at the creation , I could have done the thing better than ...
Page 23
... theory of Ptolemy , which was still taught in all the institutions of learning in Europe , revived the theory of Pythagoras . He saw how beautiful- ly simple is the idea of considering the sun the grand centre about which revolve the ...
... theory of Ptolemy , which was still taught in all the institutions of learning in Europe , revived the theory of Pythagoras . He saw how beautiful- ly simple is the idea of considering the sun the grand centre about which revolve the ...
Page 24
... theory was at last published just in time to be laid upon his death - bed . TYCHO BRAHÉ , a celebrated Danish astronomer , next propounded a modification of the Copernican system . He rejected the idea of cycles and epi- cycles , but ...
... theory was at last published just in time to be laid upon his death - bed . TYCHO BRAHÉ , a celebrated Danish astronomer , next propounded a modification of the Copernican system . He rejected the idea of cycles and epi- cycles , but ...
Page 25
... theory , that the sun is the centre of the system . At that time all be- lieved the orbits to be circular . Since , as they said , the circle is perfect , is the most beautiful figure in nature , has neither beginning nor ending ...
... theory , that the sun is the centre of the system . At that time all be- lieved the orbits to be circular . Since , as they said , the circle is perfect , is the most beautiful figure in nature , has neither beginning nor ending ...
Other editions - View all
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