Difference between revisions of "February 27, 2011"
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=Nectaris Rilles= | =Nectaris Rilles= | ||
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| − | <em>left image from [http://wms.lroc.asu.edu/lroc_browse/view/wac_nearside LRO WAC Earthside moasic] (NASA/GSFC/Arizona State University) and right image from [http://planetarynames.wr.usgs.gov/images/Lunar/lac_79_lo.pdf Lunar Nomenclature Atlas]</em><br /> | + | <em>left image from [http://wms.lroc.asu.edu/lroc_browse/view/wac_nearside" rel="nofollow LRO WAC Earthside moasic] (NASA/GSFC/Arizona State University) and right image from [http://planetarynames.wr.usgs.gov/images/Lunar/lac_79_lo.pdf" rel="nofollow Lunar Nomenclature Atlas]</em><br /> |
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What? You don't know of the Nectaris Rilles? Nectaris has no obvious concentric rilles (nor any other kind except on crater floors), <br /> | What? You don't know of the Nectaris Rilles? Nectaris has no obvious concentric rilles (nor any other kind except on crater floors), <br /> | ||
and the explanation has been that Mare Nectaris is too thin to depress the basin floor, which causes the fracturing near the edges <br /> | and the explanation has been that Mare Nectaris is too thin to depress the basin floor, which causes the fracturing near the edges <br /> | ||
| − | that make the concentric rilles. Humorum has broad [http://www.lpod.org/archive/archive/2004/01/LPOD-2004-01-26.htm ones], and Tranquillitatis' are narrow and just [http://www.lpod.org/?m=20060918 imageble]. But if you look at the <br /> | + | that make the concentric rilles. Humorum has broad [http://www.lpod.org/archive/archive/2004/01/LPOD-2004-01-26.htm" rel="nofollow ones], and Tranquillitatis' are narrow and just [http://www.lpod.org/?m=20060918" rel="nofollow imageble]. But if you look at the <br /> |
Clementine image of Nectaris no rilles are seen, and Lunar Orbiter IV barely shows two faint rilles just west of Bohnenberger F. Now, <br /> | Clementine image of Nectaris no rilles are seen, and Lunar Orbiter IV barely shows two faint rilles just west of Bohnenberger F. Now, <br /> | ||
the new LRO WAC [http://lpod.wikispaces.com/February+23%2C+2011 mosaic] of the Moon's Earth-facing hemisphere reveals that the rilles are very much real and continue northward <br /> | the new LRO WAC [http://lpod.wikispaces.com/February+23%2C+2011 mosaic] of the Moon's Earth-facing hemisphere reveals that the rilles are very much real and continue northward <br /> | ||
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the center of the basin to subside enough to make these very delicate cracks. <br /> | the center of the basin to subside enough to make these very delicate cracks. <br /> | ||
<br /> | <br /> | ||
| − | <em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br /> | + | <em>[mailto:tychocrater@yahoo.com" rel="nofollow Chuck Wood]</em><br /> |
<br /> | <br /> | ||
<strong>Related Links</strong><br /> | <strong>Related Links</strong><br /> | ||
Revision as of 21:13, 4 January 2015
Nectaris Rilles
left image from " rel="nofollow LRO WAC Earthside moasic (NASA/GSFC/Arizona State University) and right image from " rel="nofollow Lunar Nomenclature Atlas
What? You don't know of the Nectaris Rilles? Nectaris has no obvious concentric rilles (nor any other kind except on crater floors),
and the explanation has been that Mare Nectaris is too thin to depress the basin floor, which causes the fracturing near the edges
that make the concentric rilles. Humorum has broad " rel="nofollow ones, and Tranquillitatis' are narrow and just " rel="nofollow imageble. But if you look at the
Clementine image of Nectaris no rilles are seen, and Lunar Orbiter IV barely shows two faint rilles just west of Bohnenberger F. Now,
the new LRO WAC mosaic of the Moon's Earth-facing hemisphere reveals that the rilles are very much real and continue northward
around the mare edge nearly to Gaudibert B. I couldn't detect them any where else around Mare Nectaris, so these may be all that
formed or others were covered by later deposits. These concentric rilles show that the load of mare basalts was sufficient to cause
the center of the basin to subside enough to make these very delicate cracks.
" rel="nofollow Chuck Wood
Related Links
Rükl plate 47
