Difference between revisions of "April 10, 2011"

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=Sweet Rings=
 
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<em>image by [mailto:bob_p@earthlink.net" rel="nofollow Bob Pilz]</em><br />
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<em>image by [mailto:bob_p@earthlink.net Bob Pilz]</em><br />
 
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Do you see three basin rings here? Look closer. And step back for a more synoptic [http://www.lpod.org/?m=20061210" rel="nofollow view].Like most basins the expression of Nectaris' different rings varies around the basin. The magnificent 860 km diameter Altai Scarp main ring appears on this east side of Nectaris as a range of low mountains seen between [http://the-moon.wikispaces.com/file/detail/Rukl_59_satellites.jpg" rel="nofollow Borda and flat-floored Biot B]. The next smaller ring - that passes through Catharina on the west side - is barely visible as scattered hills north and south of Santbach. This part of the innermost mountainous ring actually has a name - the Pyrenees Mountains at upper left - and bounds Mare Nectaris, There is a fourth basin ring, but it is marked by mare ridges rather than mountains. It is about 240 km wide, with a piece being just visible in the mare near upper left and another piece [http://the-moon.wikispaces.com/LPOD+Feb+4%2C+2008 stretching] from Theophilus to Fracastorius. In fact, if this ridge ring is the boundary of an inner area of collapse to a lower level (as at Crisium) it might explain what happened to the missing northern arc of Fracastorius' rim.<br />
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Do you see three basin rings here? Look closer. And step back for a more synoptic [[December_10,_2006|stretching]] from Theophilus to Fracastorius. In fact, if this ridge ring is the boundary of an inner area of collapse to a lower level (as at Crisium) it might explain what happened to the missing northern arc of Fracastorius' rim.<br />
 
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<em>[mailto:tychocrater@yahoo.com" rel="nofollow Chuck Wood]</em><br />
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<em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br />
 
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<strong>Technical Details</strong><br />
 
<strong>Technical Details</strong><br />
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<strong>Related Links</strong><br />
 
<strong>Related Links</strong><br />
Rükl plate [http://the-moon.wikispaces.com/R%C3%BCkl+59 59]<br />
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Rükl plate [https://the-moon.us/wiki/R%C3%BCkl_59 59]<br />
 
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<p><b>Yesterday's LPOD:</b> [[April 9, 2011|Panorama]] </p>
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<p><b>Tomorrow's LPOD:</b> [[April 11, 2011|Inspired To Go Ot]] </p>
 
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Latest revision as of 17:41, 13 October 2018

Sweet Rings

LPOD-Apr10-11.jpg
image by Bob Pilz

Do you see three basin rings here? Look closer. And step back for a more synoptic stretching from Theophilus to Fracastorius. In fact, if this ridge ring is the boundary of an inner area of collapse to a lower level (as at Crisium) it might explain what happened to the missing northern arc of Fracastorius' rim.

Chuck Wood

Technical Details
UD: 2008/08/19, UT: ~07:45. 200mm f/6 Newtonian, Televue 3X Barlow, DMK 31 camera, Green Filter; 15 fps, Exposure 1/38sec, 400/9000 frames. Reprocessed by Registax V6, PS CS4, FocusMagic. Taken from Lat: 35 degrees 36 minutes N, Long: 82 degrees 33 minutes W, Elev: ~850m

Related Links
Rükl plate 59

Yesterday's LPOD: Panorama

Tomorrow's LPOD: Inspired To Go Ot



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