On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 41
... reflected by the atmosphere diminishes the obscurity they produce . Even in total eclipses the higher part of the atmosphere is enlightened by a part of the sun's disc , and reflects its rays to the earth . The whole disc of the new ...
... reflected by the atmosphere diminishes the obscurity they produce . Even in total eclipses the higher part of the atmosphere is enlightened by a part of the sun's disc , and reflects its rays to the earth . The whole disc of the new ...
Page 69
... reflection of the earth during its long night . A planet exhibiting a surface thirteen times larger than that of the moon , with all the varieties of clouds , land , and water , coming successively into view , must be a splendid object ...
... reflection of the earth during its long night . A planet exhibiting a surface thirteen times larger than that of the moon , with all the varieties of clouds , land , and water , coming successively into view , must be a splendid object ...
Page 129
... Reflection Echoes - Thunder- Refraction of Sound Interference of Sound of Sounds . - ―― -- - ONE of the most important uses of the atmosphere is the con- veyance of sound . Without the air , deathlike silence would prevail through ...
... Reflection Echoes - Thunder- Refraction of Sound Interference of Sound of Sounds . - ―― -- - ONE of the most important uses of the atmosphere is the con- veyance of sound . Without the air , deathlike silence would prevail through ...
Page 131
... reflected by an opposing obstacle . The vibrations of the aërial molecules are always extremely small , whereas the waves of sound vary from a few inches to several feet . The various musical instruments , the human voice and that of ...
... reflected by an opposing obstacle . The vibrations of the aërial molecules are always extremely small , whereas the waves of sound vary from a few inches to several feet . The various musical instruments , the human voice and that of ...
Page 137
... reflection from surfaces ( N. 179 ) according to the same laws as light . Indeed any one who has observed the re- flection of the waves from a wall on the side of a river , after the passage of a steam - boat , will have a perfect idea ...
... reflection from surfaces ( N. 179 ) according to the same laws as light . Indeed any one who has observed the re- flection of the waves from a wall on the side of a river , after the passage of a steam - boat , will have a perfect idea ...
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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