On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 35
... less than thirty - two days . Were the increase and diminution always the same , the Evection would only depend upon the distance of the moon from the sun ; but its absolute value also varies with her distance from the perigee ( N. 102 ) ...
... less than thirty - two days . Were the increase and diminution always the same , the Evection would only depend upon the distance of the moon from the sun ; but its absolute value also varies with her distance from the perigee ( N. 102 ) ...
Page 36
Mary Somerville. moon's orbit contracts , and less time is necessary to accomplish her motion - its period , consequently , depends upon the time of the year . In the eclipses the Annual Equation combines with the Equation of the Centre ...
Mary Somerville. moon's orbit contracts , and less time is necessary to accomplish her motion - its period , consequently , depends upon the time of the year . In the eclipses the Annual Equation combines with the Equation of the Centre ...
Page 38
... less than 109,830 years for the greater axis of the terrestrial orbit to do the same , moving at the rate of 11 " -8 annually . The form of the earth has no sensible effect either on the lunar nodes or apsides . It is evident that the ...
... less than 109,830 years for the greater axis of the terrestrial orbit to do the same , moving at the rate of 11 " -8 annually . The form of the earth has no sensible effect either on the lunar nodes or apsides . It is evident that the ...
Page 40
... less , the observer would see a ring of light round the disc of the moon , and the eclipse would be annular , as it was on the 17th of May , 1836 , and on the 15th of March , 1858. If the centre of the moon should not be in the straight ...
... less , the observer would see a ring of light round the disc of the moon , and the eclipse would be annular , as it was on the 17th of May , 1836 , and on the 15th of March , 1858. If the centre of the moon should not be in the straight ...
Page 45
... less than in the case of the homogeneous fluid . The compression is still less when the mass is considered to be , as it actually is , a solid nucleus , decreasing regularly in density from the centre to the surface , and partially ...
... less than in the case of the homogeneous fluid . The compression is still less when the mass is considered to be , as it actually is , a solid nucleus , decreasing regularly in density from the centre to the surface , and partially ...
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61 Cygni action appears atmosphere attraction bismuth bodies cause centre centrifugal force chemical colour comet consequently copper crystal dark degree density diamagnetic diameter diminishes direction disturbing double stars earth ecliptic effect electricity equal equator ethereal medium excentricity Fcap force glass gravitation greater heat hemisphere increase intensity Jupiter latitude length light lines liquid longitude luminous lunar magnetic major axis mass meridian metallic miles moon motion move nearly nebula nodal lines nodes northern hemisphere NOTE nutation observed optic axis orbit oscillations parallax paramagnetic particles passing perihelion periodic phenomena planets plate polarized pole position Post 8vo produced quantity rays reflected refraction refrangible revolution revolving right angles rings rotation round satellites Sir John Herschel solar spectrum space stars substances sun's surface telescope temperature terrestrial tion tourmaline transmitted tricity undulations Uranus vapour variation velocity vibrations Vols Voltaic waves wire Woodcuts