Fourteen Weeks in Descriptive Astronomy |
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Page 41
... Celestial Sphere . ( Little used . ) The Equinoxes are the points where the ecliptic intersects the equinoctial . The place where the sun crosses the equinoctial * in going North , which occurs about the 21st of March , is called the ...
... Celestial Sphere . ( Little used . ) The Equinoxes are the points where the ecliptic intersects the equinoctial . The place where the sun crosses the equinoctial * in going North , which occurs about the 21st of March , is called the ...
Page 48
... celestial sphere . It seems a little larger to us in winter than in summer , as we are 3,000,000 miles nearer it . If we represent the luminous surface of the sun when at its average ( mean ) distance by 1000 , the same sur- face will ...
... celestial sphere . It seems a little larger to us in winter than in summer , as we are 3,000,000 miles nearer it . If we represent the luminous surface of the sun when at its average ( mean ) distance by 1000 , the same sur- face will ...
Page 233
... sphere . Anaxagoras ( 450 B. C. ) considered that they were stones whirled up from the earth by the rapid motion of ... celestial fires THE STARS . 233.
... sphere . Anaxagoras ( 450 B. C. ) considered that they were stones whirled up from the earth by the rapid motion of ... celestial fires THE STARS . 233.
Page 301
... celestial sphere at G ' , and in meas- uring its distance from the north pole will measure an arc bG ' further than if he were located at E , the centre of the earth . The observer at the latter sta- tion will see the moon projected on ...
... celestial sphere at G ' , and in meas- uring its distance from the north pole will measure an arc bG ' further than if he were located at E , the centre of the earth . The observer at the latter sta- tion will see the moon projected on ...
Page 309
... sphere , it is obvious that degrees of latitude would be of the same length wher- ever measured on its surface ... CELESTIAL MEASUREMENTS . 309.
... sphere , it is obvious that degrees of latitude would be of the same length wher- ever measured on its surface ... CELESTIAL MEASUREMENTS . 309.
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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