A Plain Elementary and Practical System of Natural Experimental Philosophy: Including Astronomy and ChronologyHopkins and Earle, 1809 - 538 страници |
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Страница 408
... nodes . One half therefore of the orbit of a planet will lie to the north of the ecliptic , and the other half to ... node of the planet . If two small circles be drawn parallel to the equator at the distance of 23 ° 28 ′ from it , on ...
... nodes . One half therefore of the orbit of a planet will lie to the north of the ecliptic , and the other half to ... node of the planet . If two small circles be drawn parallel to the equator at the distance of 23 ° 28 ′ from it , on ...
Страница 410
... of the spectator . The foregoing explications being given , we now pro- ceed to consider the orbits , nodes , distances and pe- riods of the planets , which are represented in the fol- lowing table . 0 0 D. h . Mars , 8 18 30 410.
... of the spectator . The foregoing explications being given , we now pro- ceed to consider the orbits , nodes , distances and pe- riods of the planets , which are represented in the fol- lowing table . 0 0 D. h . Mars , 8 18 30 410.
Страница 411
... Node . of Orbits . Periodical Times . Distances a Rotation on Axis . " 1 " 1 Miles . D. h . , h . 1 " I Venus , Mercury , 8 14 43 П 14 26 6 59 20 87 23 16 36,841,468 3 23 5 224 16 49 68,891,486 24 8 or 23 20 59 Earth , 365 6 9 14 ...
... Node . of Orbits . Periodical Times . Distances a Rotation on Axis . " 1 " 1 Miles . D. h . , h . 1 " I Venus , Mercury , 8 14 43 П 14 26 6 59 20 87 23 16 36,841,468 3 23 5 224 16 49 68,891,486 24 8 or 23 20 59 Earth , 365 6 9 14 ...
Страница 413
... - clined to it in an angle of 7 ° , 30 ' , and that it cuts the ecliptic in the eighth degree of Gemini and Sagittary , which are therefore called the sun's nodes . When the earth is in either of these nodes , the sun's 413.
... - clined to it in an angle of 7 ° , 30 ' , and that it cuts the ecliptic in the eighth degree of Gemini and Sagittary , which are therefore called the sun's nodes . When the earth is in either of these nodes , the sun's 413.
Страница 414
... node on the 19th of November . From the 18th of May , the sun's equa- tor begins to appear as a semi - ellipsis ... nodes , and in all other months , they will be elliptic curves . The spots that appear on the face of the sun are by no ...
... node on the 19th of November . From the 18th of May , the sun's equa- tor begins to appear as a semi - ellipsis ... nodes , and in all other months , they will be elliptic curves . The spots that appear on the face of the sun are by no ...
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Често срещани думи и фрази
acquired altitude angle of incidence angle of refraction appear arch atmosphere attraction axis bulk called center of force central force circle colour concave concave lens converge convex lens curve cycloid degree denser medium density descend diameter direction diverge earth ecliptic elastic electricity ellipsis equal equator fall feet fluid focal distance friction given glass globe greater greatest half heat heavy body Hence hole horizon increased inversely latus rectum length less magnet mercury meridian mirror moon moon's motion move nearer nonconductor object observed octave orbit parabola parallel particles pass pendulum perpendicular plane Plate pole pressure prime conductor produced projectile proportional quantity of matter radiant point radius rays of light reflected reflexion retina revolving right ascension round side sine sound space specific gravity square root string sun's surface syzygies tance tangent telescope thereby tides tion tube velocity vessel vial vibrations weight wheel wind
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Страница iii - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Страница iii - An Act supplementary to an Act, 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 time* therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints.
Страница 264 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.
Страница iii - 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." And also to the act, entitled " An Act supplementary to an Act, 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 time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and...
Страница 266 - This amounts to the same with saying, that, in the case before us, the sine of the angle of incidence is to the sine of the angle of refraction in a given ratio.
Страница xiii - Alison, his former tutor and friend, and, after the usual period of preparatory study, he was licensed to preach the Gospel by the presbytery of Newcastle, in the state of Delaware.
Страница 162 - And hence, as the specific gravity of the fluid is to that of the body, so is the whole magnitude of the body to the part immersed.
Страница xxiv - His own investigation confirmed him in his belief of the doctrines of grace. These were the doctrines which he preached and which he endeavoured to impress upon the hearts of his people.* His discourses were written with accuracy; the truths which they contained were well examined and digested before he ventured to offer them to the public. He thought it a duty which he owed to his God and his hearers, to think before he spoke, to study and to ponder in private, before he arose in the presence of...
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