The Planetarium, and Astronomical Calculator ... |
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Page 5
... Heavens , as seen from the Earth 47 SECTION V. Physical causes of the motions of Planets 54 SECTION VI . On Light and Air 61 SECTION VII . To find the diameter of the Earth , and the distances of Planets from the Sun , & c . SECTION ...
... Heavens , as seen from the Earth 47 SECTION V. Physical causes of the motions of Planets 54 SECTION VI . On Light and Air 61 SECTION VII . To find the diameter of the Earth , and the distances of Planets from the Sun , & c . SECTION ...
Page 11
... Heavens , reflects the same light very copiously on that planet ; if remote planets have the Sun's light fainter by day than we , they have an addition to it , morning and evening , by one or more of their Moons , and a greater quantity ...
... Heavens , reflects the same light very copiously on that planet ; if remote planets have the Sun's light fainter by day than we , they have an addition to it , morning and evening , by one or more of their Moons , and a greater quantity ...
Page 12
... Heaven , at immense distances from each other , attended by ten thousand times ten thousand worlds , all in rapid ... Heavens : - - " Say proud arch , Built with Divine ambition , in disdain Of limit built ; built in the taste of ...
... Heaven , at immense distances from each other , attended by ten thousand times ten thousand worlds , all in rapid ... Heavens : - - " Say proud arch , Built with Divine ambition , in disdain Of limit built ; built in the taste of ...
Page 15
... Heavens , in the plane of which the earth performs her annual revolutions round the sun : + The node is the intersection of the orbit of any planet with that of the earth . 4 23 51 22 S. D. M. S. Geocentric longitude SEC . II . ] 15 OF ...
... Heavens , in the plane of which the earth performs her annual revolutions round the sun : + The node is the intersection of the orbit of any planet with that of the earth . 4 23 51 22 S. D. M. S. Geocentric longitude SEC . II . ] 15 OF ...
Page 25
... Heavens , through which all the planetary fragments must sooner or later pass . One of these nodes he found to be in Virgo , and the other in the Whale , and it was actually in the latter of these regions , that Mr. Harding discovered ...
... Heavens , through which all the planetary fragments must sooner or later pass . One of these nodes he found to be in Virgo , and the other in the Whale , and it was actually in the latter of these regions , that Mr. Harding discovered ...
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Common terms and phrases
angle aphelion apogee apparent diameter appear Aries ascending node Astronomers attractive power axis celestial bodies centrifugal force circle Comets conjunction constellation diameter as seen difference disk diurnal diurnal motion earth earth's shadow equal equator equinox fall fixed stars full Moon Geocentric Geocentric longitude given globe gravity half Heavens heliocentric Herschel horary motion horizon horizontal parallax inferior conjunction Jupiter light London longitude lunations mean motion Mean new Moon Mercury meridian Middle apparent minutes Moon in March Moon's mean anomaly Moon's node Moon's orbit move nearer nearest north pole Old Style opposite parallax penumbra perigee perihelion planet projectile force rays revolve right ascension rise round the Sun satellites Saturn seconds semidiameter slow of clock Solar System south pole subtract Sun and Moon Sun fast Sun slow Sun's distance Sun's mean anomaly Sun's mean distance Sun's true surface syzygy tance telescope tides tion Venus
Popular passages
Page 200 - Aries the Ram, Taurus the Bull, Gemini the Twins, Cancer the Crab, Leo the Lion, Virgo the Virgin, Libra the Balance, Scorpio the Scorpion, Sagittarius the Archer, Capricornus the Goat, Aquarius the Waterbearer, and Pisces the Fishes...
Page 80 - On the parallel of London, as much of the ecliptic rises about Pisces and Aries in two hours, as the moon goes through in six days ; therefore...
Page 12 - Thousands of thousands of suns, multiplied without end, and ranged all around us, at immense distances from each other, attended by ten thousand times ten thousand worlds, all in rapid motion, yet calm, regular, and harmonious, invariably keeping the paths prescribed them ; and these worlds peopled with myriads of intelligent beings, formed for endless progression in perfection and felicity.
Page 221 - Rectify the globe for the latitude of the place, find the sun's place in the ecliptic and bring it to the brass meridian, and set the index of the hour circle to 12.
Page 32 - After the lapse of years, we perceive it again returning to our system, and tracing a portion of the same orbit round the sun, which it had formerly described.
Page 23 - Its mean distance from the sun is about 253 millions of miles; its revolution is completed in 4 years and 130 days, and its diameter is computed to be about 1425 miles. It is free from the nebulosity which surrounds Pallas, and is distinguished from all the other planets by the great eccentricity of its orbit; being at its least distance from the sun only 189 millions of miles, and at its greatest distance, 316 millions. — Vesta was discovered by Dr. Olbers on the 29th March, 1807. It appears like...
Page 219 - X.) and bring it to the meridian, and set the index to 12 ; bring the sun's place to the eastern edge of the horizon, and the index will show the...
Page 34 - Earth were actually to receive a shock from one of these bodies, " having any considerable density," the consequences would indeed be awful. A new direction would be given to its rotary motion, and it would revolve around a new axis. The seas, forsaking their beds, would be hurried, by their centrifugal force, to the new equatorial regions ; islands and continents, the abodes of men and animals, would be covered by the universal rush of the waters to the new equator, and every vestige of human industry...
Page 92 - Differences of local situation cause great differences as to the height to which the tide rises. In the central parts of the ocean the height is comparatively small, seldom exceeding three feet, but in rushing up contracted channels the...
Page 10 - ... by their influences. Whoever imagines that they were created only to give a faint glimmering light to the inhabitants of this globe, must have a very superficial knowledge of Astronomy, and a mean opinion of the Divine Wisdom...