On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 9
... motion of a body , estimated from the vernal equinox , is its mean longitude ; and its elliptical , or true motion , reckoned from that point , is its true longitude ( N. 47 ) : both being estimated from west to east , the direction in ...
... motion of a body , estimated from the vernal equinox , is its mean longitude ; and its elliptical , or true motion , reckoned from that point , is its true longitude ( N. 47 ) : both being estimated from west to east , the direction in ...
Page 10
... motion , the nature and position of its orbit must be ascertained by observation . This depends upon seven quantities , called the elements of the orbit ( N. 57 ) . These are , the length of the major axis , and the ex- centricity ...
... motion , the nature and position of its orbit must be ascertained by observation . This depends upon seven quantities , called the elements of the orbit ( N. 57 ) . These are , the length of the major axis , and the ex- centricity ...
Page 13
... Motion and Major Axis Invariable Stability of System Effects of a Resisting Medium - ― - - Invariable Plane of the Solar System and of the Universe Great Inequality of Jupiter and Saturn . THE planets are subject to disturbances of two ...
... Motion and Major Axis Invariable Stability of System Effects of a Resisting Medium - ― - - Invariable Plane of the Solar System and of the Universe Great Inequality of Jupiter and Saturn . THE planets are subject to disturbances of two ...
Page 14
... motion , including both these kinds of disturbance , may be represented by a body revolving in an ellipse , and making small and transient deviations , now on one side of its path , and now on the other , whilst the ellipse itself is ...
... motion , including both these kinds of disturbance , may be represented by a body revolving in an ellipse , and making small and transient deviations , now on one side of its path , and now on the other , whilst the ellipse itself is ...
Page 15
... motion of the planet in longitude . The tangential force some- times accelerates the planet's motion , sometimes retards it , and occasionally has no effect at all . Were the orbits of both planets circular , a complete compensation ...
... motion of the planet in longitude . The tangential force some- times accelerates the planet's motion , sometimes retards it , and occasionally has no effect at all . Were the orbits of both planets circular , a complete compensation ...
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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