Popular Astronomy: A Series of Lectures Delivered at IpswichMacmillan, 1868 - 292 σελίδες |
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Σελίδα 175
... attracts every particle of every other body : one body does not attract another body as a mass , but every body attracts every other body as a collection of separate particles : attracting every particle , inde- S LECTURE V. 175.
... attracts every particle of every other body : one body does not attract another body as a mass , but every body attracts every other body as a collection of separate particles : attracting every particle , inde- S LECTURE V. 175.
Σελίδα 180
... masses of that spherical part balances exactly ; so that , as regards it , we need not consider the sun's action at all . The effect therefore of that spherical part will be , to impede the motion which the protuberant part would ...
... masses of that spherical part balances exactly ; so that , as regards it , we need not consider the sun's action at all . The effect therefore of that spherical part will be , to impede the motion which the protuberant part would ...
Σελίδα 181
... mass is not a twenty - millionth part of the sun's ; but she is four hundred times as near as the sun . Still she does not pull the earth , as a mass , with more than a hundred - and - twentieth part of the sun's force . But , because ...
... mass is not a twenty - millionth part of the sun's ; but she is four hundred times as near as the sun . Still she does not pull the earth , as a mass , with more than a hundred - and - twentieth part of the sun's force . But , because ...
Σελίδα 199
... mass ; that it attracts the earth not as a whole , but as a number of parts separately ; if we mark these things , we find that the sun attracts that sun . swelling part of the earth which is nearest LECTURE VI . 199.
... mass ; that it attracts the earth not as a whole , but as a number of parts separately ; if we mark these things , we find that the sun attracts that sun . swelling part of the earth which is nearest LECTURE VI . 199.
Σελίδα 201
... mass , 160,000 times as great as the sun's ; still her whole attraction is only of that of the sun . But the important thing to be remarked in the explanation above given is , that precession is not produced by the whole attraction of ...
... mass , 160,000 times as great as the sun's ; still her whole attraction is only of that of the sun . But the important thing to be remarked in the explanation above given is , that precession is not produced by the whole attraction of ...
Άλλες εκδόσεις - Προβολή όλων
Popular Astronomy: A Series of Lectures Delivered at Ipswich George Biddell Airy Πλήρης προβολή - 1868 |
Popular Astronomy: A Series of Lectures Delivered at Ipswich George Biddell Airy Πλήρης προβολή - 1868 |
Συχνά εμφανιζόμενοι όροι και φράσεις
aberration of light accurate angle angular distance appear ascertain astronomers ball body bright star calculation Cambridge Cape Cavendish experiment celestial clock cloth College computed Crown 8vo curve described diameter direction disturbed earth earth's axis earth's centre earth's equator ecliptic Edition effect ellipse endeavoured equatoreal exactly explain Fcap Figure fluid globe Greenwich heavens horizon hour inclination Jupiter lecture length lunar precession Mars mean density method millions of miles moon mountain move Mural Circle nearly North Pole nutation object observations Observatory orbit parallax passes the meridian path pendulum perpendicular planets plumb-line point of Aries Polar Star position precession produced proportion pull refraction remark revolve rotation round the sun satellites seen sidereal day solar South Pole spheroid square sun's attraction sun's distance suppose supposition surface tance telescope thing tion transit instrument transit of Venus TREATISE triangle velocity vertical vibrations whole yard measure Zenith Sector
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