The ABCs of Viewing Ringed Planets

The ABCs of Viewing Ringed Planets TheABCsofViewing Ringed Planets MARC FRANTZ aturn, with its majestic rings, is arguably the most In fact, the images are so revealing that by making just beautiful and intriguing planet in our solar system. the three measurements a, b, c shown in Figure 3, we can S Christopher Wren, the English architect, mathe- estimate the distance q of the spacecraft from the center of matician, and astronomer, was one of the first to investigate the planet, as well as the spacecraft’s latitude k—that is, its Saturn in detail. Wren’s description of a perspective- angle of elevation above or below the ring plane, as illus- drawing instrument, described in 1669 [15] and shown in trated to scale in Figure 4. Figure 1, included two example images of Saturn. The To make the measurements a, b, c shown in Figure 3, figure is suggestive of the subject of this article: extracting we used a drawing program to fit elliptical outlines to the three-dimensional information from perspective images of planet and the thin, bright F ring. The point C is the center ringed planets. of the planet’s outline. (This is the approximate image of The quality of such images is crucial for scientific http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Mathematical Intelligencer Springer Journals

The ABCs of Viewing Ringed Planets

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Mathematics; Mathematics, general; Theoretical, Mathematical and Computational Physics; Mathematical Methods in Physics; Numerical and Computational Physics, Simulation; Mathematical and Computational Engineering
ISSN
0343-6993
eISSN
1866-7414
D.O.I.
10.1007/s00283-017-9778-y
Publisher site
See Article on Publisher Site

Abstract

TheABCsofViewing Ringed Planets MARC FRANTZ aturn, with its majestic rings, is arguably the most In fact, the images are so revealing that by making just beautiful and intriguing planet in our solar system. the three measurements a, b, c shown in Figure 3, we can S Christopher Wren, the English architect, mathe- estimate the distance q of the spacecraft from the center of matician, and astronomer, was one of the first to investigate the planet, as well as the spacecraft’s latitude k—that is, its Saturn in detail. Wren’s description of a perspective- angle of elevation above or below the ring plane, as illus- drawing instrument, described in 1669 [15] and shown in trated to scale in Figure 4. Figure 1, included two example images of Saturn. The To make the measurements a, b, c shown in Figure 3, figure is suggestive of the subject of this article: extracting we used a drawing program to fit elliptical outlines to the three-dimensional information from perspective images of planet and the thin, bright F ring. The point C is the center ringed planets. of the planet’s outline. (This is the approximate image of The quality of such images is crucial for scientific

Journal

The Mathematical IntelligencerSpringer Journals

Published: Jan 29, 2018

References

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