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 |
From inside the book
Results 1-5 of 16
Page 15
... occur only at the nodes ; making from 12 to 14 such transits in each century . The last occurred in Novem- ber , 1822. Others may be predicted for May , 1832 , and Novem ber , 1835. Mercury's disc appears 10 seconds broad . Wallot ...
... occur only at the nodes ; making from 12 to 14 such transits in each century . The last occurred in Novem- ber , 1822. Others may be predicted for May , 1832 , and Novem ber , 1835. Mercury's disc appears 10 seconds broad . Wallot ...
Page 16
... occur at the nodes , once in 120 years . The two last were in 1761 , and 1769 , and were of great utility in determining , with accuracy , the distance of the planets from the Sun. The next tránsits will be in 1874 and 1882 . This ...
... occur at the nodes , once in 120 years . The two last were in 1761 , and 1769 , and were of great utility in determining , with accuracy , the distance of the planets from the Sun. The next tránsits will be in 1874 and 1882 . This ...
Page 24
... occurs be- What planet is next without the orbit of Jupiter ? What is its apparent diameter ? -its real diameter ? -density ? What is the period of its rotation ? -revolution ? What is its distance from the Sun ? -its velocity the hour ...
... occurs be- What planet is next without the orbit of Jupiter ? What is its apparent diameter ? -its real diameter ? -density ? What is the period of its rotation ? -revolution ? What is its distance from the Sun ? -its velocity the hour ...
Page 42
... occur when the Moon is near this circle , at the change , or full . It makes an angle of 23 ° 28 " with the Equator . Imaginary lines crossing the Ecliptic at right angles , as the meridians cross the Equator , are called secondaries to ...
... occur when the Moon is near this circle , at the change , or full . It makes an angle of 23 ° 28 " with the Equator . Imaginary lines crossing the Ecliptic at right angles , as the meridians cross the Equator , are called secondaries to ...
Page 48
... occur when the Moon is in opposition to the Sun , or at the full Moon ; as seen in Plate iv . Figure 1 . If the plane of the Moon's orbit coincided with the Ecliptic , there would be a lunar eclipse at every full Moon , and a solar ...
... occur when the Moon is in opposition to the Sun , or at the full Moon ; as seen in Plate iv . Figure 1 . If the plane of the Moon's orbit coincided with the Ecliptic , there would be a lunar eclipse at every full Moon , and a solar ...
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 ;