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 3
... circles of Ladies and Gentlemen in our principal cities who have gene- rously patronized his Lectures are not forgotten ; to the OFFICERS and MEMBERS of the NEW - YORK MERCANTILE LIBRARY ASSOCIATION this small volume is affectionately ...
... circles of Ladies and Gentlemen in our principal cities who have gene- rously patronized his Lectures are not forgotten ; to the OFFICERS and MEMBERS of the NEW - YORK MERCANTILE LIBRARY ASSOCIATION this small volume is affectionately ...
Page 41
... circle round the Earth , at an equal distance from either pole , is on that account called its Equator . Lines drawn parallel to this , on either side , are called parallels of Latitude , How is terrestrial Latitude reckoned ? How ...
... circle round the Earth , at an equal distance from either pole , is on that account called its Equator . Lines drawn parallel to this , on either side , are called parallels of Latitude , How is terrestrial Latitude reckoned ? How ...
Page 42
... 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 all the eclipses occur when the Moon is near this circle , at the change , or full ...
... 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 all the eclipses occur when the Moon is near this circle , at the change , or full ...
Page 43
... circle . The sen- sible horizon is where our vision is bounded by the apparent meeting of the air , and the land , or water . The rational horizon embraces an entire hemisphere , having the zenith , or point directly How , celestial ...
... circle . The sen- sible horizon is where our vision is bounded by the apparent meeting of the air , and the land , or water . The rational horizon embraces an entire hemisphere , having the zenith , or point directly How , celestial ...
Page 51
... circles ; therefore the width of the shadow of the Earth , where the Moon passes through it in eclipses , will vary very considerably . The longest eclipse of the lesser light will occur , when the Sun is most re- mote from the Earth ...
... circles ; therefore the width of the shadow of the Earth , where the Moon passes through it in eclipses , will vary very considerably . The longest eclipse of the lesser light will occur , when the Sun is most re- mote from the Earth ...
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 ;