On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 43
... object is found . The angle under which the base of the triangle is seen from the object is the parallax of that object . It evidently in- creases and decreases with the distance . Therefore the base must be very great indeed to be ...
... object is found . The angle under which the base of the triangle is seen from the object is the parallax of that object . It evidently in- creases and decreases with the distance . Therefore the base must be very great indeed to be ...
Page 43
... object is found . The angle under which the base of the triangle is seen from the object is the parallax of that object . It evidently in- creases and decreases with the distance . Therefore the base must be very great indeed to be ...
... object is found . The angle under which the base of the triangle is seen from the object is the parallax of that object . It evidently in- creases and decreases with the distance . Therefore the base must be very great indeed to be ...
Page 52
... object may be found , if two observers under the same meridian , but at a very great distance from one another , observe its zenith distances on the same day at the time of its passage over the meridian . By such contemporaneous ...
... object may be found , if two observers under the same meridian , but at a very great distance from one another , observe its zenith distances on the same day at the time of its passage over the meridian . By such contemporaneous ...
Page 53
... object of Cook's first voyage . The transit lasted about six hours at Tahiti , and the difference in duration at these two stations was eight minutes ; whence the sun's horizontal parallax was found to be 8 " -72 . But by other ...
... object of Cook's first voyage . The transit lasted about six hours at Tahiti , and the difference in duration at these two stations was eight minutes ; whence the sun's horizontal parallax was found to be 8 " -72 . But by other ...
Page 54
... object to a body so remote as either Uranus or Neptune . Yet man , the inhabitant of the earth , soars beyond the vast dimensions of the system to which his planet belongs , and assumes the diameter of its orbit as the base of a ...
... object to a body so remote as either Uranus or Neptune . Yet man , the inhabitant of the earth , soars beyond the vast dimensions of the system to which his planet belongs , and assumes the diameter of its orbit as the base of a ...
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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