Difference between revisions of "January 31, 2004"
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=Hooke & Hipparchus= | =Hooke & Hipparchus= | ||
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<i>Ingenious Pursuits</i> by Lisa Jardine, p 63-65, Doubleday, New York, 1999.<br> | <i>Ingenious Pursuits</i> by Lisa Jardine, p 63-65, Doubleday, New York, 1999.<br> | ||
[http://www.roberthooke.org.uk/leonardo.htm England's Leonardo - Robert Hooke]</p> | [http://www.roberthooke.org.uk/leonardo.htm England's Leonardo - Robert Hooke]</p> | ||
| − | <p | + | <p><b>Yesterday's LPOD:</b> [[January 30, 2004|Lake of Death]] </p> |
| + | <p><b>Tomorrow's LPOD:</b> [[February 1, 2004|Theophilus]] </p> | ||
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Latest revision as of 19:11, 7 February 2015
Hooke & Hipparchus
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Image Credit: Ingenious Pursuits & Consolidated Lunar Atlas |
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Hooke & Hipparchus The earliest drawings of the Moon were of the entire body. By 1665 Robert Hooke, the English rival of Isaac Newton, published (in his Micrographia) the first drawing of a single feature, and it was remarkably accurate. The comparison of Hooke's drawing of the 150 km wide crater Hipparchus with a modern photo taken with a 61" telescope (Consolidated Lunar Atlas sheet E10) shows that Hooke correctly drew many details including two mountainous ridges at the bottom left. Hooke also shows a shadowed arc on the left side of Hipparchus that represents part of a ghost crater and various small hills. Hooke make this drawing with a 30 ft focal length telescope but he never gave the diameter of its lens. He was a very keen-sighted observer, discovering that Jupiter rotates and discovering Syrtis Major on Mars. Hooke was one of the most versatile scientists of the 17th century - I eagerly await the new biography of him by the wonderful author Lisa Jardine. Related Links: Yesterday's LPOD: Lake of Death Tomorrow's LPOD: Theophilus |
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