An introduction to geography and astronomy, by the use of the globes and maps, by E. and J. BruceBaldwin, 1821 |
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Σελίδα vii
... oblique ascension , ascensional differ- ence , eastern amplitude , and time of rising , on any given day , at any given place . 319 ...... 319 Prob . XVI . To find the sun's oblique descension , descensional difference , western ...
... oblique ascension , ascensional differ- ence , eastern amplitude , and time of rising , on any given day , at any given place . 319 ...... 319 Prob . XVI . To find the sun's oblique descension , descensional difference , western ...
Σελίδα 209
... obliquely , and extends 23o 28 ' to the north of it on one side , and 23 ° 28 ′ to the south of it on the other side . The angle which it makes with the equator is called the obliquity of the ecliptic . It is called the ecliptic ...
... obliquely , and extends 23o 28 ' to the north of it on one side , and 23 ° 28 ′ to the south of it on the other side . The angle which it makes with the equator is called the obliquity of the ecliptic . It is called the ecliptic ...
Σελίδα 234
... oblique manner in which the ecliptic is drawn . In order to correct this false notion , it may be observed , that the ecliptic is a circle peculiar to the celestial globe , where it really marks out the sun's apparent path among the ...
... oblique manner in which the ecliptic is drawn . In order to correct this false notion , it may be observed , that the ecliptic is a circle peculiar to the celestial globe , where it really marks out the sun's apparent path among the ...
Σελίδα 255
... oblique sphere is that which has one of the poles elevated above the horizon less than 90 degrees , and the other depressed below it ; the equator and parallels of lati- tude form , with the horizon , oblique angles . 3. A parallel ...
... oblique sphere is that which has one of the poles elevated above the horizon less than 90 degrees , and the other depressed below it ; the equator and parallels of lati- tude form , with the horizon , oblique angles . 3. A parallel ...
Σελίδα 256
... obliquely ; and hence it re- quires a longer time to go 18 ° below the horizon . - At the latitude of 49 ° N. twilight continues the whole night on June 21st ; and , at places still farther north , it continues the whole night , for a ...
... obliquely ; and hence it re- quires a longer time to go 18 ° below the horizon . - At the latitude of 49 ° N. twilight continues the whole night on June 21st ; and , at places still farther north , it continues the whole night , for a ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
Africa analemma Answ antipodes antoeci Asia Atlantic Ocean azimuth Baltic brass meridian breadth called canal cancer Cape Cape Horn Cape Verd capricorn chief towns circle degrees difference of longitude due east earth eastern ecliptic Elevate the globe England equator equinoctial Europe EXAMPLES Exports find the sun's following places France frigid zone Frith given day given hour given place Gulf harbour hemisphere horizon inhabitants Irish Sea Islands Isles June 21st latitude latitude and longitude length London longest day longitude manufactures maps Mediterranean meridian altitude month moon moon's morning mountains Newcastle noon North America northern Pacific Ocean perioeci planets pole port PROBLEM right ascension rising and setting river Russia sea-ports set the index situated Spain square miles Strait subtract sun vertical sun's altitude sun's declination sun's meridian altitude sun's place sun's rising trade tropic tropic of cancer Turkey Turn the globe woollen
Δημοφιλή αποσπάσματα
Σελίδα 383 - ALPHA BETA GAMMA DELTA EPSILON ZETA ETA THETA IOTA KAPPA LAMBDA MU NU XI OMICRON PI RHO SIGMA TAU UPSILON PHI CHI PSI OMEGA...
Σελίδα 276 - Canst thou bind the sweet influences of Pleiades, or loose the bands of Orion? Canst thou bring forth Mazzaroth in his season? or canst thou guide Arcturus with his sons?
Σελίδα 122 - It is bounded on the north by the Arctic Ocean, on the east by the Atlantic Ocean, on the south by the Gulf of Mexico and South America, and on the west by the Pacific Ocean.
Σελίδα 114 - Asia is bounded on the north by the Arctic Ocean, on the east by the Pacific Ocean, on the south by the Indian Ocean, and on the west by the Red Sea, the Mediterranean, the Black Sea, and Europe.
Σελίδα i - Seiz'd in thought, On fancy's wild and roving wing I sail From the green borders of the peopled earth, And the pale moon, her duteous fair attendant ; From solitary Mars ; from the vast orb Of Jupiter, whose huge gigantic bulk Dances in ether like the lightest leaf...
Σελίδα 139 - Burrampooter, are overflowed, and form an inundation of more than a hundred miles in width ; nothing appearing but villages and trees, excepting very rarely, the top of an elevated spot (the artificial mound of some deserted village) appearing like an island.
Σελίδα 216 - Rectify the globe for the latitude of the place ; bring the sun's place to the meridian, and set the index to 12...
Σελίδα 346 - Eclipses. An eclipse of the moon is caused by its entering into the earth's shadow, and consequently it must happen at...
Σελίδα 274 - The prime vertical is that vertical circle which passes through the east and west points.
Σελίδα 224 - Then, if the zenith distance and declination be both north or both south, add them together; but if one be north and the other south, subtract the less from the greater, and the sum or difference will be the latitude, of the same name with the greater.* EXAMPLE I.