Nebulae in the Pleiades

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10x10
10x10
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10x10
10x10
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Nebulae in the Pleiades

from 35.00

From a photograph by Dr. Issac Roberts

'The true arrangement of the solar system was then expounded by Copernicus in the great work to which he devoted his life. The first principle established by these labours showed the diurnal movement of the heavens to be due to the rotation of the earth on its axis. Copernicus pointed out the fundamental difference between real motions and apparent motions; he proved that the appearances presented in the daily rising and setting of the sun and the stars could be accounted for by the supposition that the earth rotated, just as satisfactorily as by the more cumbrous supposition of Ptolemy. He showed, moreover, that the latter supposition must attribute an almost infinite velocity to the stars, so that the rotation of the entire universe around the earth was clearly a preposterous supposition.'

Stawell Ball, R. (1901) The Story of the Heavens. Second edn. London: Cassell and Company.

5 x 5" (127 x 127mm) Mount with a 3.43" (87mm) aperture
10 x 10" (254 x 254mm) Mount with a 6" (152mm) aperture
11.15 x 11.15 x 1.77" (283.3 x 283.3 x 45mm) Edge to edge of black hand-crafted solid wood box-frame

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