Difference between revisions of "August 16, 2006"

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=A Mountain or a Molehill?=
 
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<p>[[File:Mt Maraldi-.jpg|Mt Maraldi-.jpg]]<br />
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<em>image by <a>KC Pau</a></em></p>
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<p>[[File:Mt Maraldi-.jpg|Mt Maraldi-.jpg]]<br />
 
<em>image by <a class="mailto:kcpaulhk@yahoo.com.hk">KC Pau</a></em></p>
 
 
<p>What is the real nature of a landform on the Moon? Recently, LPOD showed two high resolution Apollo 17 Metric Camera [http://www.lpod.org/?m=20060624 images] of a peculiar hill, Mount Maraldi, in Sinus Amoris. Now, K.C. Pau has captured a telescopic view that offers a different impression. On the Metric images Mons Maraldi appears as a flat-topped, relatively steep-sided, roughly circular peak. KC&#8217;s image, with opposite illumination, shows a less unique hill with more gentle slopes and a fresh-looking crater that is hardly there in the Apollo images. The crater is so conspicuous in the telescopic view that I wondered if it had formed since Apollo times! But looking carefully at the right image of the Metric pair I could recognize the crater, although it was less obvious. In the Metric view Mons Maraldi looks strange, and I speculated in the earlier LPOD that it was probably a volcanic dome of a type of volcanic rock not sampled by Apollo astronauts. Looking at today&#8217;s image alone I would probably dismiss the mons as an isolated piece of highlands of no particular interest. So which is it?</p>
 
<p>What is the real nature of a landform on the Moon? Recently, LPOD showed two high resolution Apollo 17 Metric Camera [http://www.lpod.org/?m=20060624 images] of a peculiar hill, Mount Maraldi, in Sinus Amoris. Now, K.C. Pau has captured a telescopic view that offers a different impression. On the Metric images Mons Maraldi appears as a flat-topped, relatively steep-sided, roughly circular peak. KC&#8217;s image, with opposite illumination, shows a less unique hill with more gentle slopes and a fresh-looking crater that is hardly there in the Apollo images. The crater is so conspicuous in the telescopic view that I wondered if it had formed since Apollo times! But looking carefully at the right image of the Metric pair I could recognize the crater, although it was less obvious. In the Metric view Mons Maraldi looks strange, and I speculated in the earlier LPOD that it was probably a volcanic dome of a type of volcanic rock not sampled by Apollo astronauts. Looking at today&#8217;s image alone I would probably dismiss the mons as an isolated piece of highlands of no particular interest. So which is it?</p>
 
<p>[mailto:tychocrater@yahoo.com Chuck Wood]</p>
 
<p>[mailto:tychocrater@yahoo.com Chuck Wood]</p>
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<p><strong>Related Links:</strong><br />
 
<p><strong>Related Links:</strong><br />
 
Rükl sheet 25</p>
 
Rükl sheet 25</p>
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===COMMENTS?===  
 
===COMMENTS?===  
 
Click on this icon [[image:PostIcon.jpg]] at the upper right to post a comment.
 
Click on this icon [[image:PostIcon.jpg]] at the upper right to post a comment.

Revision as of 18:41, 4 January 2015

A Mountain or a Molehill?

Mt Maraldi-.jpg
image by <a>KC Pau</a>

What is the real nature of a landform on the Moon? Recently, LPOD showed two high resolution Apollo 17 Metric Camera images of a peculiar hill, Mount Maraldi, in Sinus Amoris. Now, K.C. Pau has captured a telescopic view that offers a different impression. On the Metric images Mons Maraldi appears as a flat-topped, relatively steep-sided, roughly circular peak. KC’s image, with opposite illumination, shows a less unique hill with more gentle slopes and a fresh-looking crater that is hardly there in the Apollo images. The crater is so conspicuous in the telescopic view that I wondered if it had formed since Apollo times! But looking carefully at the right image of the Metric pair I could recognize the crater, although it was less obvious. In the Metric view Mons Maraldi looks strange, and I speculated in the earlier LPOD that it was probably a volcanic dome of a type of volcanic rock not sampled by Apollo astronauts. Looking at today’s image alone I would probably dismiss the mons as an isolated piece of highlands of no particular interest. So which is it?

Chuck Wood

Technical Details:
12 August 2006. 10″ reflector with 20mm eyepiece projection with Philips Toucam Pro.

Related Links:
Rükl sheet 25


COMMENTS?

Click on this icon File:PostIcon.jpg at the upper right to post a comment.