On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
From inside the book
Results 6-10 of 100
Page 5
... nature . Kepler found , by direct observation , that the planets describe ellipses ( N. 24 ) , or oval paths , round the sun . Later observations show that comets also move in conic sections . It consequently follows that the sun ...
... nature . Kepler found , by direct observation , that the planets describe ellipses ( N. 24 ) , or oval paths , round the sun . Later observations show that comets also move in conic sections . It consequently follows that the sun ...
Page 10
... 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 , which determine ...
... 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 , which determine ...
Page 11
... nature of the conic sections in which the celestial bodies move depends upon the velocity with which they were first propelled in space . Had that velocity been such as to make the planets move in orbits of unstable equilibrium ( N. 60 ) ...
... nature of the conic sections in which the celestial bodies move depends upon the velocity with which they were first propelled in space . Had that velocity been such as to make the planets move in orbits of unstable equilibrium ( N. 60 ) ...
Page 12
... an end than is exhibited in the nice adjustment of these forces , at once the cause of the variety and of the order of Nature . ― SECTION III . - Perturbations , Periodic and Secular 12 SECT . II . STABILITY OF SOLAR SYSTEM .
... an end than is exhibited in the nice adjustment of these forces , at once the cause of the variety and of the order of Nature . ― SECTION III . - Perturbations , Periodic and Secular 12 SECT . II . STABILITY OF SOLAR SYSTEM .
Page 20
... nature , to alter the relative positions of the planets , to put an end to the vicissitudes of the seasons , and to bring about collisions which would involve our whole system , now so harmonious , in chaotic confusion . It is natural ...
... nature , to alter the relative positions of the planets , to put an end to the vicissitudes of the seasons , and to bring about collisions which would involve our whole system , now so harmonious , in chaotic confusion . It is natural ...
Other editions - View all
Common terms and phrases
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