On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 31
... star would pass along the axis of a telescope directed to it ; but , if the earth were to begin to move in its orbit ... stars perfectly corresponds with that given by the eclipses of the first satellite . The same result , obtained from ...
... star would pass along the axis of a telescope directed to it ; but , if the earth were to begin to move in its orbit ... stars perfectly corresponds with that given by the eclipses of the first satellite . The same result , obtained from ...
Page 34
... stars is perceptible in a few hours . She completes a circuit of the heavens in 27d 7h 43m 11o.5 , moving in an orbit whose excentricity is about 12,985 miles . The moon is about four hundred times nearer to the earth than the sun . The ...
... stars is perceptible in a few hours . She completes a circuit of the heavens in 27d 7h 43m 11o.5 , moving in an orbit whose excentricity is about 12,985 miles . The moon is about four hundred times nearer to the earth than the sun . The ...
Page 43
... star and planet she meets with in this space . Therefore the occultation of a star by the moon is a phenomenon of frequent occurrence . The moon seems to pass over the star , which almost instantaneously vanishes at cne side of her disc ...
... star and planet she meets with in this space . Therefore the occultation of a star by the moon is a phenomenon of frequent occurrence . The moon seems to pass over the star , which almost instantaneously vanishes at cne side of her disc ...
Page 43
... stars , and by lunar distances . In consequence of the retrograde motion of the nodes of the lunar orbit , at the rate of 3 ' 10 " -64 daily , these points make a tour of the heavens in a little more than eighteen years and a half ...
... stars , and by lunar distances . In consequence of the retrograde motion of the nodes of the lunar orbit , at the rate of 3 ' 10 " -64 daily , these points make a tour of the heavens in a little more than eighteen years and a half ...
Page 52
... Stars . — THE parallax of a celestial body is the angle under which the radius of the earth would be seen if viewed from the centre of that body ; it affords the means of ascertaining the distances of the sun , moon , and planets ( N ...
... Stars . — THE parallax of a celestial body is the angle under which the radius of the earth would be seen if viewed from the centre of that body ; it affords the means of ascertaining the distances of the sun , moon , and planets ( N ...
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61 Cygni absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire