Fourteen Weeks in Descriptive Astronomy |
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Page 22
... planet Mars keep pace with the Ptolemaic theory . No wonder that Alfonso , king of Castile , and a very celebrated ... planets or stars . All of the ancient astronomers shared more or less in this superstition . Tiberius , emperor of ...
... planet Mars keep pace with the Ptolemaic theory . No wonder that Alfonso , king of Castile , and a very celebrated ... planets or stars . All of the ancient astronomers shared more or less in this superstition . Tiberius , emperor of ...
Page 23
... planets . He noticed how constantly , when we are riding swiftly , we forget our own motion , and think that the trees and fences are gliding by us in * Ple ' - ya - dez . the contrary direction . He applied this thought to the HISTORY .
... planets . He noticed how constantly , when we are riding swiftly , we forget our own motion , and think that the trees and fences are gliding by us in * Ple ' - ya - dez . the contrary direction . He applied this thought to the HISTORY .
Page 25
... planets . He adopted the Copernican theory , that the sun is the centre of the system . At that time all be- lieved the ... planet Mars , as observed by Brahé , with the places as stated by the best tables that could be computed on the ...
... planets . He adopted the Copernican theory , that the sun is the centre of the system . At that time all be- lieved the ... planet Mars , as observed by Brahé , with the places as stated by the best tables that could be computed on the ...
Page 27
... planet along the imaginary orbit , and it did not diverge . The truth was discovered at last , and Kepler an- nounced his first great law- PLANETS REVOLVE IN ELLIPSES , WITH THE SUN AT ONE FOCUS . Second Law . - Kepler knew that the planets ...
... planet along the imaginary orbit , and it did not diverge . The truth was discovered at last , and Kepler an- nounced his first great law- PLANETS REVOLVE IN ELLIPSES , WITH THE SUN AT ONE FOCUS . Second Law . - Kepler knew that the planets ...
Page 28
... planet moves very slowly , and from D to C Fig . 3 . D very rapidly ; yet the space inclosed between the lines SB ... planets about the sun and their distances from that body . With the same wonderful patience , he took the figures of ...
... planet moves very slowly , and from D to C Fig . 3 . D very rapidly ; yet the space inclosed between the lines SB ... planets about the sun and their distances from that body . With the same wonderful patience , he took the figures of ...
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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