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 páginas |
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Página 10
... centre . Other Egyptian Astronomers soon discovered , that the motions of Mercury and Venus , could not be recon- ciled with the Ptolemaic theory . They therefore con- cluded these two planets revolved around the Sun , as their centre ...
... centre . Other Egyptian Astronomers soon discovered , that the motions of Mercury and Venus , could not be recon- ciled with the Ptolemaic theory . They therefore con- cluded these two planets revolved around the Sun , as their centre ...
Página 12
... centre of our Solar or Planetary System . Its form is nearly that of a sphere or globe . Its dia- meter is about 886 thousand miles , and its circum- ference about 2 million 700 thousand miles . Some authorities make the Sun's diameter ...
... centre of our Solar or Planetary System . Its form is nearly that of a sphere or globe . Its dia- meter is about 886 thousand miles , and its circum- ference about 2 million 700 thousand miles . Some authorities make the Sun's diameter ...
Página 13
... centre of gravity of all the bo- dies , belonging to our system . Another motion is its rotation on its axis . And a sublimer motion still , is that towards the constellation Hercules . We infer , that it has the first motion from the ...
... centre of gravity of all the bo- dies , belonging to our system . Another motion is its rotation on its axis . And a sublimer motion still , is that towards the constellation Hercules . We infer , that it has the first motion from the ...
Página 24
... centre of motion . Sa- turn turns on its axis in 10 hours ; and requires almost 30 years to complete its revolution round the Sun , at the distance of 900 millions of miles , and moving 22 thousand miles the hour . At its equator , it ...
... centre of motion . Sa- turn turns on its axis in 10 hours ; and requires almost 30 years to complete its revolution round the Sun , at the distance of 900 millions of miles , and moving 22 thousand miles the hour . At its equator , it ...
Página 38
... centres to retinues of planets and comets , as numerous , and as full of beauty and of being , as those in attendance on our Sun. The stars in each constellation , which have not specific names , are called by the names of letters in ...
... centres to retinues of planets and comets , as numerous , and as full of beauty and of being , as those in attendance on our Sun. The stars in each constellation , which have not specific names , are called by the names of letters in ...
Términos y frases comunes
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
Pasajes populares
Página 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.
Página 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.
Página 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.
Página 105 - Hitherto shalt thou come and no farther, and here shall thy proud waves be stayed.
Página 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.
Página 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.
Página 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...
Página 84 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Página 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.
Página 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 ;