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 40
... semicircle , with the convex side turned towards the sun ; in this state , her appearance is called the half moon . Moving on still eastward , she becomes more deficient on the west , and has the form of a crescent , with the convex ...
... semicircle , with the convex side turned towards the sun ; in this state , her appearance is called the half moon . Moving on still eastward , she becomes more deficient on the west , and has the form of a crescent , with the convex ...
Page 41
... semicircle : advancing still to the eastward , she becomes fuller on the east side ; at last , in about 291⁄2 days , she is again opposite to the sun , and again full . It frequently happens that the Moon is eclipsed when at the full ...
... semicircle : advancing still to the eastward , she becomes fuller on the east side ; at last , in about 291⁄2 days , she is again opposite to the sun , and again full . It frequently happens that the Moon is eclipsed when at the full ...
Page 123
... semicircle , but with the circumference . turned towards the west . At the last quarter , she appears again under the form of a semicircle , but with the circumference turned towards the east . These phases may be illustrated in a very ...
... semicircle , but with the circumference . turned towards the west . At the last quarter , she appears again under the form of a semicircle , but with the circumference turned towards the east . These phases may be illustrated in a very ...
Page 128
... semicircle , or that half of its orbit that is more distant from the earth , its motion appears direct to us ; when a satel- lite is in its inferior semicircle , nearest to the earth , the apparent motion of it is retrograde . Both ...
... semicircle , or that half of its orbit that is more distant from the earth , its motion appears direct to us ; when a satel- lite is in its inferior semicircle , nearest to the earth , the apparent motion of it is retrograde . Both ...
Page 195
... semicircle be turned round its diameter , as on an axis , it will generate a globe , or sphere . The centre of the semicircle will be the centre of the globe ; and as all points of the generating semicircle are at an equal distance from ...
... semicircle be turned round its diameter , as on an axis , it will generate a globe , or sphere . The centre of the semicircle will be the centre of the globe ; and as all points of the generating semicircle are at an equal distance from ...
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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
ABCD altitude angle apparent motion Aries artificial horizon astronomers bright broad paper circle called celestial globe centre comets conjunction consequently dark degrees described diameter disc distance diurnal motion earth earth's orbit eastward ecliptic elevated enlightened equal equator equinox fixed stars Georgium Sidus greater greatest elongation heavens hemisphere Hence Herschel hour circle illuminated inferior planets inhabitants Jupiter latitude Libra light London longitude magnitude Mars Mercury miles minutes moon moon's move round nearer night nodes noon north pole observed opposite orbit parallax parallel passes phenomena plate polar circle PROBLEM quadrant rays reason retrograde retrograde motion revolution revolves round rise round the sun satellites Saturn seen semicircle shadow shew ship side situation solar spectator sphere strong brass meridian sun appears sun's place superior conjunction superior planet suppose surface synodical month telescope terrestrial globe tion tropic tropic of Cancer Venus visible 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.