Fourteen Weeks in Descriptive Astronomy |
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Page 191
... naked eye , and appears in the tel- escope as a star of the eighth magnitude . DISCOVERY .-- For many years the motions of Ura- nus were such as to baffle the most perfect calcula tions . While far - distant Saturn came around to ...
... naked eye , and appears in the tel- escope as a star of the eighth magnitude . DISCOVERY .-- For many years the motions of Ura- nus were such as to baffle the most perfect calcula tions . While far - distant Saturn came around to ...
Page 209
... naked eye , and a still less number attract observation , ow- ing to their inferior size and brilliancy . Many are doubtless lost to our sight by being above the hori- zon in the daytime . Seneca mentions that during a total solar ...
... naked eye , and a still less number attract observation , ow- ing to their inferior size and brilliancy . Many are doubtless lost to our sight by being above the hori- zon in the daytime . Seneca mentions that during a total solar ...
Page 223
... naked eye to reach the earth is about 125 years . What , then , shall we say of those far - distant ones , whose faint light appears as a mere fleecy whiteness even in the most power- ful telescopes ? The conclusion is irresistible ...
... naked eye to reach the earth is about 125 years . What , then , shall we say of those far - distant ones , whose faint light appears as a mere fleecy whiteness even in the most power- ful telescopes ? The conclusion is irresistible ...
Page 225
... naked eye sees but six. A PART OF THE CONSTELLATION OF THE TWINS . which may be seen with a telescope becomes alto- gether marvellous . In the cut is shown a portion. 10 * THE STARS . 225.
... naked eye sees but six. A PART OF THE CONSTELLATION OF THE TWINS . which may be seen with a telescope becomes alto- gether marvellous . In the cut is shown a portion. 10 * THE STARS . 225.
Page 235
... naked eye . The constellation has been celebrated among all nations . It is remarkable that the shep-. THE CIRCUMPOLAR CONSTELLATIONS . 235.
... naked eye . The constellation has been celebrated among all nations . It is remarkable that the shep-. THE CIRCUMPOLAR CONSTELLATIONS . 235.
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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