The ABCs of Viewing Ringed Planets
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Saturn, with its majestic rings, is arguably the most beautiful and intriguing planet in our solar system. Christopher Wren, the English architect, mathematician, and astronomer, was one of the first to investigate Saturn in detail. Wren’s description of a perspective-drawing instrument, described in 1669 [ 15] and shown in Figure 1, included two example images of Saturn. The figure is suggestive of the subject of this article: extracting three-dimensional information from perspective images of ringed planets.
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