On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 18
... Consequently , the nodes are perpetually advancing or receding with unequal velocity ; but , as a compensation is not effected , their motion is , on the whole , retrograde . With regard to the variations in the inclination , it is ...
... Consequently , the nodes are perpetually advancing or receding with unequal velocity ; but , as a compensation is not effected , their motion is , on the whole , retrograde . With regard to the variations in the inclination , it is ...
Page 29
... and maintained them , notwithstanding the secular inequalities to which they are liable . They extend to the synodic motions ( N. 92 ) of the satellites ; consequently they SECT . IV . PERTURBATIONS OF THE SATELLITES . 29.
... and maintained them , notwithstanding the secular inequalities to which they are liable . They extend to the synodic motions ( N. 92 ) of the satellites ; consequently they SECT . IV . PERTURBATIONS OF THE SATELLITES . 29.
Page 30
... consequently , when the first is eclipsed , the other two must be between the sun and Jupiter . The instant of the beginning or end of an eclipse of a satellite marks the same instant of absolute time to all the inhabitants of the earth ...
... consequently , when the first is eclipsed , the other two must be between the sun and Jupiter . The instant of the beginning or end of an eclipse of a satellite marks the same instant of absolute time to all the inhabitants of the earth ...
Page 35
... consequently renders it more elliptical . The period of this inequality is 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 ...
... consequently renders it more elliptical . The period of this inequality is 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 ...
Page 36
... consequently , depends upon the time of the year . In the eclipses the Annual Equation combines with the Equation of the Centre of the terrestrial orbit , so that ancient astronomers imagined the earth's orbit to have a greater excen ...
... consequently , depends upon the time of the year . In the eclipses the Annual Equation combines with the Equation of the Centre of the terrestrial orbit , so that ancient astronomers imagined the earth's orbit to have a greater excen ...
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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