Difference between revisions of "March 22, 2014"
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=Seeping Out= | =Seeping Out= | ||
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<strong>Related Links</strong><br /> | <strong>Related Links</strong><br /> | ||
| − | <em>[ | + | <em>[[21st Century Atlas of the Moon|21st Century Atlas]]</em> chart 6.<br /> |
| − | Riccardo's [/www.vaztolentino.com.br website]<br /> | + | Riccardo's [http://www.vaztolentino.com.br website]<br /> |
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<p><b>Yesterday's LPOD:</b> [[March 21, 2014|A Moon in the Hand]] </p> | <p><b>Yesterday's LPOD:</b> [[March 21, 2014|A Moon in the Hand]] </p> | ||
<p><b>Tomorrow's LPOD:</b> [[March 23, 2014|Three Mysteries for the Price of Two]] </p> | <p><b>Tomorrow's LPOD:</b> [[March 23, 2014|Three Mysteries for the Price of Two]] </p> | ||
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Latest revision as of 07:31, 28 October 2018
Seeping Out
image by Prof. Ricardo Jose Vaz Tolentino, Brazil
Close approaches and overlaps of objects in the sky are fascinating phenomenon, perhaps because we secretly hope for a collision. But virtually every cosmic close approach is between two objects at vastly different distances. Here the Moon is only 0.002 A.U. from Earth, while yellow Saturn and its slightly blue rings are at about 10 A.U., about 5000 times further. Ancient observers of occultations would see the mottled disk of the Moon moving over a bright star recognized as a wandered and hence a planet. Did ancients worry of collisions? Did they think the planet passed through the Moon, like a neutrino through virtually anything? Or did they realize that the Moon was much nearer and safely passed in front of the distant planet? I don't know, having never read any relevant paper. Do any LPOD readers know the answer?
Chuck Wood
Technical Details
Orion EON 120 mm ED APO + Orion StarShoot Solar System Color Imager III Camera (just 1 frame).
Related Links
21st Century Atlas chart 6.
Riccardo's website
Yesterday's LPOD: A Moon in the Hand
Tomorrow's LPOD: Three Mysteries for the Price of Two
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