The watermark in the lower right corner of the image will not appear on the final print.
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Image:
5.50" x 8.00"
Overall:
7.50" x 10.00"
William Henry Pickering Poster
by Science Photo Library
Product Details
William Henry Pickering poster by Science Photo Library. Our posters are produced on acid-free papers using archival inks to guarantee that they last a lifetime without fading or loss of color. All posters include a 1" white border around the image to allow for future framing and matting, if desired.
Design Details
William Pickering. William Henry Pickering (1858- 1938), American astronomer. Pickering predicted the existence of seven extra hypothetical planets... more
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3 - 4 business days
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Artist's Description
William Pickering. William Henry Pickering (1858- 1938), American astronomer. Pickering predicted the existence of seven extra hypothetical planets in the solar system during 1908-32 using graphical analysis of perturbations in the orbits of known planets. He named them O, P, Q, R, S, T and U. He revised his results several times to fit observed data better, but planets have never been found that matched his predictions. He obtained some of the first photographs of Mars & used these as evi- dence that the supposed canals on Mars were actu- ally natural features. In 1898 he found Saturn's ninth moon, Phobe; this was the first satellite to be discovered using photographic means.
About Science Photo Library
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$44.56
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