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| | =Land of Milk and Honey and Rilles= | | =Land of Milk and Honey and Rilles= |
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| | <div class="post" id="post-784"> | | <div class="post" id="post-784"> |
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| | <p>[[File:LPOD_Rimae_Gutenberg_Canales.jpg|LPOD_Rimae_Gutenberg_Canales.jpg]]</p> | | <p>[[File:LPOD_Rimae_Gutenberg_Canales.jpg|LPOD_Rimae_Gutenberg_Canales.jpg]]</p> |
| | <p>image by[mailto:ocanales@able.es Oscar Canales Moreno], Pinsoro, Spain</p> | | <p>image by[mailto:ocanales@able.es Oscar Canales Moreno], Pinsoro, Spain</p> |
| − | <p>[http://www.lpod.org/?m=20060418 Terra Manna], the square patch of bright terrain sandwiched into the intersection of maria Tranquilitatis, Fecunditatis and Nectaris, is crossed by a series of three or four mostly linear rilles in an <em>en echelon pattern</em>. The italicized words mean that the rilles are parallel, but offset to each other. I have wondered [http://www.lpod.org/?m=20061005 before] why the rilles - the Gutenberg Rilles - exist, but still have no satisfactory answer. This image stresses another question - what is the relationship between the Gutenberg Rilles and the nearby (bottom right) Goclenius Rilles? The latter rilles appear to be younger than the Guttenberg ones, and the two sets are misaligned by an angle of 15-20°, so they probably didn’t form in response to the same stresses. It is likely that the Goclenius Rilles are concentric to the poorly defined Fecunditatis impact basin and thus formed as the mare material in the basin subsided. Notice also the narrow fault scarp at the top-center-right - it is evidence that the inner part of Fecunditatis moved downward compared to the edge - at least in that area. One final oddity - notice that the floor-fractured crater Goclenius has a strangely rounded inner wall. I wonder why?</p> | + | <p>[[April_18,_2006|Terra Manna]], the square patch of bright terrain sandwiched into the intersection of maria Tranquilitatis, Fecunditatis and Nectaris, is crossed by a series of three or four mostly linear rilles in an <em>en echelon pattern</em>. The italicized words mean that the rilles are parallel, but offset to each other. I have wondered [[October_5,_2006|before]] why the rilles - the Gutenberg Rilles - exist, but still have no satisfactory answer. This image stresses another question - what is the relationship between the Gutenberg Rilles and the nearby (bottom right) Goclenius Rilles? The latter rilles appear to be younger than the Guttenberg ones, and the two sets are misaligned by an angle of 15-20°, so they probably didn’t form in response to the same stresses. It is likely that the Goclenius Rilles are concentric to the poorly defined Fecunditatis impact basin and thus formed as the mare material in the basin subsided. Notice also the narrow fault scarp at the top-center-right - it is evidence that the inner part of Fecunditatis moved downward compared to the edge - at least in that area. One final oddity - notice that the floor-fractured crater Goclenius has a strangely rounded inner wall. I wonder why?</p> |
| | <p>[mailto:tychocrater@yahoo.com Chuck Wood]</p> | | <p>[mailto:tychocrater@yahoo.com Chuck Wood]</p> |
| | <p><b>Technical Details:</b><br /> | | <p><b>Technical Details:</b><br /> |
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| | <p><b>Related Links:</b><br /> | | <p><b>Related Links:</b><br /> |
| | Rükl plates 47 & 48</p> | | Rükl plates 47 & 48</p> |
| − | <p align="center"> | + | <p><b>Yesterday's LPOD:</b> [[December 15, 2006|A, B, Cs of Lunar Topography]] </p> |
| − | <i>Christmas is coming, Hanukkah is here. Consider leaving a list of lunar books on top of a spouse’s pillow - just make sure you include the LPOD URL so that you support [http://www.lpod.org/?page_id=591 LPOD] when buying lunar books (or ANY book) from Amazon!</i></p> | + | <p><b>Tomorrow's LPOD:</b> [[December 17, 2006|Moving West]] </p> |
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| | </div> | | </div> |
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| − | ===COMMENTS?===
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| − | Register, and click on the <b>Discussion</b> tab at the top of the page.
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