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 Reading |
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Page 24
... half the density of water , making about one hundred times as much matter , and nearly one thousand times as much bulk in Saturn as in the Earth . Thus far the densities of planets diminish , as you recede from their centre of motion ...
... half the density of water , making about one hundred times as much matter , and nearly one thousand times as much bulk in Saturn as in the Earth . Thus far the densities of planets diminish , as you recede from their centre of motion ...
Page 27
... half enlightened as seen at Herschel , might create more admiration in us , if we more minutely knew their circum- stances . The scale on the frontispiece , divided into 200 parts , gives about the proportionate distances of planets ...
... half enlightened as seen at Herschel , might create more admiration in us , if we more minutely knew their circum- stances . The scale on the frontispiece , divided into 200 parts , gives about the proportionate distances of planets ...
Page 42
... half round the globe , or 180 degrees east and west . In the heavens there is a great circle , where the Sun makes its apparent annual path , but which is he real orbit of the Earth around the Sun. This is called the Ecliptic ; because ...
... half round the globe , or 180 degrees east and west . In the heavens there is a great circle , where the Sun makes its apparent annual path , but which is he real orbit of the Earth around the Sun. This is called the Ecliptic ; because ...
Page 47
... half is constantly enlightened and would so appear as seen from the Sun ; then will the enlightened parts of the outside figures , represent the appearance of the Moon , as seen from the Earth . When the Moon is at E , no part of its ...
... half is constantly enlightened and would so appear as seen from the Sun ; then will the enlightened parts of the outside figures , represent the appearance of the Moon , as seen from the Earth . When the Moon is at E , no part of its ...
Page 51
... half of its orbit , north of the apparent annual path of the Sun among the stars , and the other half of its orbit , south of the Ecliptic . When it crosses the Ecliptic , as it must do twice in every revolution , these are its nodes ...
... half of its orbit , north of the apparent annual path of the Sun among the stars , and the other half of its orbit , south of the Ecliptic . When it crosses the Ecliptic , as it must do twice in every revolution , these are its nodes ...
Common terms and phrases
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
Popular passages
Page 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.
Page 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.
Page 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.
Page 105 - Hitherto shalt thou come and no farther, and here shall thy proud waves be stayed.
Page 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.
Page 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.
Page 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...
Page 84 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Page 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.
Page 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 ;