Elements of Astronomy, Descriptive and Physical: In which the General Phenomena of the Heavenly Bodies and the Theory of the Tides are Familiarly Explained, and Illustrated by Numerous Diagrams from Engravings on Copper Plates ... Intended for Schools, Academies, Seminaries for Young Ladies, Lyceums, and for Private ReadingDorr, Howland, & Company, 1834 - 144 sidor |
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Sida 6
... minutes examination of an Orrery in motion , than in hours or weeks , or perhaps months of mere reading . The use of DIA- GRAMS is often indispensable to the acquisition of correct ideas in some of the sciences . The most able lecturers ...
... minutes examination of an Orrery in motion , than in hours or weeks , or perhaps months of mere reading . The use of DIA- GRAMS is often indispensable to the acquisition of correct ideas in some of the sciences . The most able lecturers ...
Sida 14
... minutes and 1 second ; as seen from a planet revolving round a fixed star , it would have no perceptible disc . CHAPTER II . MERCURY . THE nearest planet to the Sun , is called Mercury . Its diameter is 3200 miles ; its density 9 times ...
... minutes and 1 second ; as seen from a planet revolving round a fixed star , it would have no perceptible disc . CHAPTER II . MERCURY . THE nearest planet to the Sun , is called Mercury . Its diameter is 3200 miles ; its density 9 times ...
Sida 17
... minutes on either side of the Equator . This occa- sions the variations in the length of days , and of the seasons ; topics which will be resumed in a subsequent chapter . That the Earth is a globe , is conclusively proved from each one ...
... minutes on either side of the Equator . This occa- sions the variations in the length of days , and of the seasons ; topics which will be resumed in a subsequent chapter . That the Earth is a globe , is conclusively proved from each one ...
Sida 23
... minutes , to seventeen and a half minutes ; about half the apparent diameter of the Moon's disc . Suppose an eclipse of one of these satellites , is accurately predicted to be seen in the meridian of Greenwich , England , precisely at ...
... minutes , to seventeen and a half minutes ; about half the apparent diameter of the Moon's disc . Suppose an eclipse of one of these satellites , is accurately predicted to be seen in the meridian of Greenwich , England , precisely at ...
Sida 32
... , thinks the subject of the Fixed Stars should be taught later in the course , this chapter can be defer- red , and resumed afterwards . But minute and care- Indistinct glances at the stars , 32 THE FIXED STARS . Fixed Stars,
... , thinks the subject of the Fixed Stars should be taught later in the course , this chapter can be defer- red , and resumed afterwards . But minute and care- Indistinct glances at the stars , 32 THE FIXED STARS . Fixed Stars,
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95 millions A M Total ABERRATION OF LIGHT altitude angle annular annular eclipse aphelion apparent diameter Aries Astronomy atmosphere attraction brass meridian called Capricornus celestial centre century CHAPTER comets constellations degrees density disc Dominical letter double stars Earth's axis east elevated equal Equator fixed stars given place heavenly bodies heavens Herschel horizon Jupiter Latitude less longest Longitude luminary luminous lunar eclipses magnitude Mars material worlds mean distance Mercury miles the hour millions of miles minutes Moon's moral motion nearest nodes observed opposite orbit organs of vision parallax perihelion period planets pole primary reckoned refraction revolution revolves round right ascension rotation round the Sun satellites Saturn set the index siderial solar eclipse solstice southern hemisphere Sun's place supposed surface tance telescope thousand miles tides tion torrid zone transit of Venus true place turn the globe twilight velocity vernal equinox visible Zodiac
Populära avsnitt
Sida 108 - These are thy glorious works, Parent of good, Almighty, thine this universal frame, Thus wondrous fair; thyself how wondrous then ! Unspeakable, who sitt'st above these heavens, To us invisible, or dimly seen In these thy lowest works; yet these declare Thy goodness beyond thought, and power divine.
Sida 140 - Behold I have given you every herb bearing seed, which is upon the face of all the earth, and every tree in the which is the fruit of a tree yielding seed, to you it shall be for meat.
Sida 2 - BBOWN, of the said district, hath deposited in this office the title of a book, the right whereof he claims as author, in the words following, to wit : " Sertorius : or, the Roman Patriot.
Sida 105 - Hitherto shalt thou come and no farther, and here shall thy proud waves be stayed.
Sida 63 - evidence of things not seen," in the fulness of Divine grace ; and was profound on this, the greatest concern of human life, while unable even to comprehend how the " inclination of the earth's axis to the plane of its orbit" could be the cause of the change of the seasons.
Sida 119 - Rectify the globe to the latitude of the place; bring the sun's place in the ecliptic to the meridian, and set the index to XII.
Sida 26 - THERE is not, perhaps, another object in the heavens that presents us with such a variety of extraordinary phenomena as the planet Saturn. A magnificent globe, encompassed by a stupendous double ring, attended by seven satellites, ornamented with equatorial belts, compressed at the poles; turning...
Sida 84 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Sida 69 - In northern Latitudes, the smallest angle made by the Ecliptic and horizon, is when Aries rises, at which time Libra sets ; the greatest, when Libra rises, at which time Aries sets.
Sida 2 - In conformity to the act of Congress of the United States, entitled, " An act for the encouragement of learning, by securing the copies of maps, charts and books, to the authors and proprietors of such copies, during the times therein mentioned ;