Astronomical and Geographical Essays: Containing a Full and Comprehensive View, on a New Plan, of the General Principles of Astronomy, the Use of the Celestial and Terrestrial Globes ... the Description and Use of the Most Improved Planetarium, Tellurian, and Lunarium, and Also an Introduction to Practical Astronomy |
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Page 57
... sun . Dr. Olbers , on the evening of the 29th of March , 1807 , discovered another planet , which has been named Vesta . Its right ascension then was 184 ° 8 ' , and declination 11 ° 47 ' W. similar to a.
... sun . Dr. Olbers , on the evening of the 29th of March , 1807 , discovered another planet , which has been named Vesta . Its right ascension then was 184 ° 8 ' , and declination 11 ° 47 ' W. similar to a.
Page 87
... sun appears most to the northward and southward ; the equinoctial days are those on which he appears in the equator , and the days are equal to the nights . The annual motion of the earth occasions a daily apparent change in the declination ...
... sun appears most to the northward and southward ; the equinoctial days are those on which he appears in the equator , and the days are equal to the nights . The annual motion of the earth occasions a daily apparent change in the declination ...
Page 88
... solar ray terminates on the surface of the earth , in the northern tropic ; and , for that day , the sun appears ... declination towards our pole increases . Therefore , from the vernal equinox , when the days and nights are equal ...
... solar ray terminates on the surface of the earth , in the northern tropic ; and , for that day , the sun appears ... declination towards our pole increases . Therefore , from the vernal equinox , when the days and nights are equal ...
Page 166
... declination was about 5 ° S. and right ascension 218 ° . It was conspicuous about 7 o'clock in the evening , with ... sun and the earth , or approaching to- wards its aphelion . On account of the oblique position of the axis of_the ...
... declination was about 5 ° S. and right ascension 218 ° . It was conspicuous about 7 o'clock in the evening , with ... sun and the earth , or approaching to- wards its aphelion . On account of the oblique position of the axis of_the ...
Page 190
... declination , with an artificial sun . The brass wires placed under the globes , serve to distinguish , in a natural and satisfactory manner , twilight from total darkness , and the reason of the length of its duration . The next point ...
... declination , with an artificial sun . The brass wires placed under the globes , serve to distinguish , in a natural and satisfactory manner , twilight from total darkness , and the reason of the length of its duration . The next point ...
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Other editions - View all
ASTRONOMICAL & GEOGRAPHICAL ES George 1750-1795 Adams,William 1763-1831 Jones No preview available - 2016 |
ASTRONOMICAL & GEOGRAPHICAL ES George 1750-1795 Adams,William 1763-1831 Jones No preview available - 2016 |
Common terms and phrases
angle apparent motion Aries artificial horizon astronomers azimuth body bright broad paper circle called celestial globe centre comet conjunction dark dial diameter disc distance diurnal motion earth ecliptic edge elevated enlightened equal equator equinox fixed stars Georgium Sidus given place greatest elongation heavens hemisphere Herschel horary index hour circle hour-lines illuminated inferior planets inhabitants Jupiter latitude light London longest day longitude magnitude Mars Mercury miles minutes month moon moon's night nodes noon north pole number of degrees observed opposite parallax parallel passes plate point of Aries polar circle PROBLEM quadrant of altitude rays Rectify the globe retrograde retrograde motion right ascension round the sun satellites Saturn seen semicircle shadow shew ship situation solar solstice spectator sphere strong brass meridian sun appears sun's declination sun's place superior planet suppose surface telescope terrestrial globe tion tropic turn the globe twilight Venus vertical west to east zenith
Popular passages
Page 515 - Charge will be made if this card is mutilated or not returned with the book GRADUATE LIBRARY THE UNIVERSITY OF MICHIGAN ANN ARBOR, MICHIGAN GL DO NOT REMOVE OR MUTILATE CARD...
Page 68 - Their names are Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricornus, Aquarius, Pisces; the whole occupying a complete circle, or broad belt, in the heavens, called the Zodiac.
Page 361 - And nightly to the list'ning earth Repeats the story of her birth : Whilst all the stars that round her burn, And all the planets in their turn, Confirm the tidings as they roll, And spread the truth from pole to pole.
Page 222 - If both the places be situated on the same parallel of latitude, their bearing is either east or west from each other ; if the'y be situated on the same meridian, they bear north and south from each other ; if they be situated on the same rhumb-line, that rhumbline is their bearing : if they be not situated on the same rhumb-line, lay the quadrant of altitude over the. two places, and that rhumb-line which is the nearest of...
Page 52 - Our views of Nature, however imperfect, serve to represent to us, in the most sensible manner, that mighty power which prevails throughout, acting with a force and efficacy that appears to suffer no diminution from the greatest distances of space or intervals of time...
Page 195 - To make this circle answer the purpose, a semicircular wire is placed over it, carrying two indices, one on the east, the other on the west side of the strong brass circle.
Page 309 - As the terrestrial globe by turning on its axis represents the real diurnal motion of the earth ; so the celestial globe, by turning on its axis, represents the apparent motion of the heavens.
Page 412 - The grand transition, that there lives and works A soul in all things, and that soul is God. The beauties of the wilderness are His, That make so gay the solitary place Where no eye sees them. And the fairer forms That cultivation glories in are His. He sets the bright procession on its way, And marshals all the order of the year ; He marks the bounds which winter may not pass, And blunts his pointed fury ; in its case, Russet and rude...
Page 303 - Only double the time of the sun's rising that day, and it gives the length of the night ; double the time of its setting and it gives the length of the day.
Page 149 - ... he had ever seen before. It was every moment changing into some of the colours of the rainbow, as yellow, orange, purple, and red ; though it was generally white when it was at some distance from the vapours of the horizon.