Difference between revisions of "September 14, 2010"

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=Seeing More At Wargentin=
 
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<em>LRO WAC image processed by [mailto:mauricejscollins@hotmail.com" rel="nofollow Maurice Collins], Palmerston, New Zealand</em><br />
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<em>LRO WAC image processed by [mailto:mauricejscollins@hotmail.com Maurice Collins], Palmerston, New Zealand</em><br />
 
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[http://the-moon.wikispaces.com/Wargentin Wargentin] has fascinated observers for more than 100 years. Its unique feature is discrete but large enough for the knowing eye to see even with a small telescope. Wargentin is like a saucer filled to overflowing. Volcanic material filled its floor, and apparently lava topped its western wall, which no longer rises above the floor. A positive gravity anomaly [http://gsa.confex.com/gsa/2009AM/finalprogram/abstract_164678.htm" rel="nofollow implies] a lava fill of 2-3 km, less than its likely original depth of 4.5 km based on the same sized Tycho.  A previously observed bird's foot-like mare ridge system on its floor is now more understandable in this dramatic, near grazing WAC view. Three or more mare ridges are actually radial to the center of the floor where a high spot occurs over where the central peak is presumably buried. At the bottom of the floor there is a hint of a dome about 10 km wide. A similar grazing illumination sunset view would show if the shadow actually covers a dome.<br />
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[https://the-moon.us/wiki/Wargentin Wargentin] has fascinated observers for more than 100 years. Its unique feature is discrete but large enough for the knowing eye to see even with a small telescope. Wargentin is like a saucer filled to overflowing. Volcanic material filled its floor, and apparently lava topped its western wall, which no longer rises above the floor. A positive gravity anomaly [http://gsa.confex.com/gsa/2009AM/finalprogram/abstract_164678.htm implies] a lava fill of 2-3 km, less than its likely original depth of 4.5 km based on the same sized Tycho.  A previously observed bird's foot-like mare ridge system on its floor is now more understandable in this dramatic, near grazing WAC view. Three or more mare ridges are actually radial to the center of the floor where a high spot occurs over where the central peak is presumably buried. At the bottom of the floor there is a hint of a dome about 10 km wide. A similar grazing illumination sunset view would show if the shadow actually covers a dome.<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>Related Links</strong><br />
 
<strong>Related Links</strong><br />
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Rükl plate [http://the-moon.wikispaces.com/R%C3%BCkl+70 70]<br />
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Rükl plate [https://the-moon.us/wiki/R%C3%BCkl_70 70]<br />
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Maurice's [http://moonscience.yolasite.com/lroc-wac.php" rel="nofollow collection] of LROC Wide Angle Camera mosaics<br />
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Maurice's [http://moonscience.yolasite.com/lroc-wac.php collection] of LROC Wide Angle Camera mosaics<br />
 
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<p><b>Yesterday's LPOD:</b> [[September 13, 2010|Ejecta Mapping &gt; Lava Depths]] </p>
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<p><b>Tomorrow's LPOD:</b> [[September 15, 2010|Bridge Near Bullialdus]] </p>
 
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===COMMENTS?===
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Click on this icon [[image:PostIcon.jpg]] at the upper right to post a comment.
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Latest revision as of 18:56, 13 October 2018

Seeing More At Wargentin

LPOD-Sept14-10.jpg
LRO WAC image processed by Maurice Collins, Palmerston, New Zealand

Wargentin has fascinated observers for more than 100 years. Its unique feature is discrete but large enough for the knowing eye to see even with a small telescope. Wargentin is like a saucer filled to overflowing. Volcanic material filled its floor, and apparently lava topped its western wall, which no longer rises above the floor. A positive gravity anomaly implies a lava fill of 2-3 km, less than its likely original depth of 4.5 km based on the same sized Tycho. A previously observed bird's foot-like mare ridge system on its floor is now more understandable in this dramatic, near grazing WAC view. Three or more mare ridges are actually radial to the center of the floor where a high spot occurs over where the central peak is presumably buried. At the bottom of the floor there is a hint of a dome about 10 km wide. A similar grazing illumination sunset view would show if the shadow actually covers a dome.

Chuck Wood

Related Links
Rükl plate 70
Maurice's collection of LROC Wide Angle Camera mosaics


Yesterday's LPOD: Ejecta Mapping > Lava Depths

Tomorrow's LPOD: Bridge Near Bullialdus

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