Popular Astronomy: A Series of Lectures Delivered at IpswichMacmillan, 1868 - 292 σελίδες |
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Σελίδα 17
... density from stratum to stratum — the same effect takes place from one stratum of the atmosphere to the next . * D B e * Thus , if we suppose the atmosphere to consist of a series of parallel beds or strata , Bc , cd , de , & c . each ...
... density from stratum to stratum — the same effect takes place from one stratum of the atmosphere to the next . * D B e * Thus , if we suppose the atmosphere to consist of a series of parallel beds or strata , Bc , cd , de , & c . each ...
Σελίδα 199
... Density of the Earth .-- Sche- hallien Experiment . - Cavendish Experiment . - Weight of the Earth . - Weight and Density of the sun . - Weight of some Planets and of the Moon . - Conclusion . IN N the lecture of yesterday evening , the ...
... Density of the Earth .-- Sche- hallien Experiment . - Cavendish Experiment . - Weight of the Earth . - Weight and Density of the sun . - Weight of some Planets and of the Moon . - Conclusion . IN N the lecture of yesterday evening , the ...
Σελίδα 247
... density in every part , and is not more dense at the centre than near the surface ; and if that original supposition be wrong , our conclusion will be wrong . It was in this manner , assuming the earth to be a fluid no more dense at the ...
... density in every part , and is not more dense at the centre than near the surface ; and if that original supposition be wrong , our conclusion will be wrong . It was in this manner , assuming the earth to be a fluid no more dense at the ...
Σελίδα 248
... density thoughout . The next point is , how can we verify this by observation ? How can we find whether a body appears heavier upon one part of the earth than upon another ? I have already said that it will not do to take a pair of ...
... density thoughout . The next point is , how can we verify this by observation ? How can we find whether a body appears heavier upon one part of the earth than upon another ? I have already said that it will not do to take a pair of ...
Σελίδα 251
... density throughout , the proportion of the two axes would be as 229 to 230 ; and the proportion of gravity at the Pole and the equator would be as 230 to 229 . find from trigonometrical surveys , and observations with the Zenith Sector ...
... density throughout , the proportion of the two axes would be as 229 to 230 ; and the proportion of gravity at the Pole and the equator would be as 230 to 229 . find from trigonometrical surveys , and observations with the Zenith Sector ...
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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