High-school AstronomySheldon & Company, 1872 |
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Results 1-5 of 13
Page 37
... reach Mercury in 152 years ; the Earth in 361 years : Jupiter in 1.884 years ; Saturn in 3,493 years . Uranus in 6,938 : and Neptune in 10.800 years . Such a journey would be equal to riding 900,000 times across the continent , from ...
... reach Mercury in 152 years ; the Earth in 361 years : Jupiter in 1.884 years ; Saturn in 3,493 years . Uranus in 6,938 : and Neptune in 10.800 years . Such a journey would be equal to riding 900,000 times across the continent , from ...
Page 41
... reach across his vast diameter . DENSITY . 64. The planets differ greatly in their density , or in the compactness of the substances of which they are com- posed . Mercury is about three times as dense as our globe , or equal to lead ...
... reach across his vast diameter . DENSITY . 64. The planets differ greatly in their density , or in the compactness of the substances of which they are com- posed . Mercury is about three times as dense as our globe , or equal to lead ...
Page 46
... reach o his beams on the other , but remain balanced in their orbits between these two great forces , and steadily revolving from age to age . " How manifold are thy works ! in wis dom hast thou made them all . " Ender LAWS OF PLANETARY ...
... reach o his beams on the other , but remain balanced in their orbits between these two great forces , and steadily revolving from age to age . " How manifold are thy works ! in wis dom hast thou made them all . " Ender LAWS OF PLANETARY ...
Page 63
... reach hat point in the ecliptic in one month after she passes the line of Mercury's nodes ; so .hat if his transits occur in May and November , hers should occur in June and Decem Jer , as is always the case . 118. The last transit of ...
... reach hat point in the ecliptic in one month after she passes the line of Mercury's nodes ; so .hat if his transits occur in May and November , hers should occur in June and Decem Jer , as is always the case . 118. The last transit of ...
Page 68
... reach only to A ; and the angle A B and the top of the staff shows the northern , and A C and the top of the staff the southern declination . It will be found to be 23 ° 28 ' each way , as marked in the figure . 127. To what extent does ...
... reach only to A ; and the angle A B and the top of the staff shows the northern , and A C and the top of the staff the southern declination . It will be found to be 23 ° 28 ' each way , as marked in the figure . 127. To what extent does ...
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Common terms and phrases
angle angular aphelion apparent magnitude appear Asteroids astronomers atmosphere attraction axis bodies called cause celestial Celestial Longitude circle comets concave constellations diameter difference direction disk distance earth earth's orbit east eastward ecliptic equator equinoctial equinox exterior planets figure fixed stars full moon globe heavens hemisphere Illustrate by diagram inclination Jupiter length libration light and heat longitude lunar Mars Mercury meridian minutes moon moon's orbit motion naked eye nearly nebulous Neptune nodes o'clock objects observations opposite pass perihelion planetary planets pole principal stars Prof refracting telescope refraction Remark represent respect retrograde revolve right ascension rings satellites Saturn seasons seen shadow shown side sidereal revolution solar day solar eclipse solar system sphere spots student sun and moon sun's supposed surface symbol synodic revolution tails telescope tide-wave tides tion transit Uranus velocity Venus vernal equinox visible zodiac zodiacal light
Popular passages
Page 168 - He telleth the number of the stars, and calleth them all by their names.
Page 10 - And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years: And let them be for lights in the firmament of the heaven to give light upon the earth: and it was so.
Page 173 - Canst thou bind the sweet influences of Pleiades, or loose the bands of Orion? Canst thou bring forth Mazzaroth in his season? or canst thou guide Arcturus with his sons?
Page 10 - And God made two great lights; the greater light to rule the day, and the lesser light to rule the night: he made the stars also.
Page 170 - Lo, these are parts of his ways; but how little a portion is heard of him? but the thunder of his power who can understand?
Page 200 - ... thousand stars, compacted and wedged together in a round space, whose angular diameter does not exceed eight or ten minutes; that is to say, in an area not more than a tenth part of that covered by the moon.
Page 66 - The inclination of the Earth's axis to the plane of the ecliptic causes the equinoctial to depart 23° 28
Page 21 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.