Difference between revisions of "September 2, 2004"
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| + | [javascript:;" onMouseOver="MM_swapImage('Image1','','archive/2004/09/images/LPOD-2004-09-02b.jpeg',1)" onMouseOut="MM_swapImgRestore() <img src="archive/2004/09/images/LPOD-2004-09-02.jpeg" name="Image1" width="448" height="344" border="0" id="Image1">] | ||
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| + | <table width="80%" border="0" align="center" cellpadding="8"> | ||
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| + | <td><div align="center" class="main_sm">Image Credit: [mailto:starman2@flash.net Wes Higgins]</div></td> | ||
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| + | <br> | ||
| + | <table class="story" border="0" bgcolor="#FFFFFF" width="90%" cellpadding="10" align="center"><tr><td> | ||
| + | <p class="story" align="center"><b>Ray-Swept Stofler</b></p> | ||
| + | <p class="story" align="left"> | ||
| + | Three-hundred fifty km east of Tycho is a crater which has seen some tough days. Stofler once was a 126 km wide Copernicus-like crater, probably about 4.5 km deep. Its still that wide, and softened relics of its terraces are visible, but the crater has been filled by 1.8 km of a light--hued smooth plains material that buried its central peak. But before the plains formed, other craters bombarded it. An old un-designated crater impacted on the floor of Stofler. Later that crater was cut in half by Faraday, which itself was hit by Stofler P, and then Faraday C (mouseover). At some point the covering of Stofler's floor occurred - probably after Faraday formed (lava or Orientale or Imbrium ejecta?) because that crater's rim seems slightly embayed by the floor material. The youngest crater to form on Stofler was Stofler F, a fresh 17.5 km wide, 2.8 km deep crater. Wes' image shows a classic "turned on a lath" inner wall for F, and two quite unusual hills on the edge of the crater floor. These hills are not central peaks - I don't know what they are. The last thing to happen to Stofler (except for a continuing rain of micro-meteorites) was its draping by bright ray material from Tycho about 810 m.y. ago. | ||
| + | <p class="story" align="left"> | ||
| + | <blockquote> | ||
| + | <p align="right"> — [mailto:chuck@observingthesky.org Chuck Wood ]</p> | ||
| + | </blockquote> | ||
| + | <p><b>Technical Details:</b><br> | ||
| + | Aug 16, 2003, Starmaster 14.5 Newt. Reflector working at F/28, Toucam Pro webcam, stack of 68 frames .</p> | ||
| + | <p><b>Related Links: </b><br> | ||
| + | [http://www.lpi.usra.edu/research/lunar_orbiter/images/img/iv_107_h2.jpg Lunar Orbiter IV View ]<br> | ||
| + | Rukl Atlas of the Moon, Sheet 65</p> | ||
| + | <p><b>Tomorrow's LPOD:</b> Snake in the Mare</p> | ||
| + | <p> </p> | ||
| + | <p><img src="MainPage/spacer.gif" width="640" height="1"></p></td> | ||
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| + | <td><hr width="640"></td> | ||
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| + | <td><p align="center" class="main_titles"><b>Author & Editor:</b><br> | ||
| + | [mailto:chuck@observingthesky.org Charles A. Wood]</p> | ||
| + | <p align="center" class="main_titles"><b>Technical Consultant:</b><br> | ||
| + | [mailto:anthony@perseus.gr Anthony Ayiomamitis]</p> | ||
| + | <p align="center" class="main_titles"><b>Contacte al Traductor:</b><br> | ||
| + | [mailto:pablolonnie@yahoo.com.mx" class="one Pablo Lonnie Pacheco Railey ]</p> | ||
| + | <p align="center" class="main_titles"><b>[mailto:webmaster@entropysponge.com Contact Webmaster]</b></p> | ||
| + | <p align="center" class="main_titles"><b>A service of:</b><br> | ||
| + | <a class="one" href="http://www.observingthesky.org/">ObservingTheSky.Org</a></p> | ||
| + | <p align="center" class="main_titles"><b>Visit these other PODs:</b> <br> | ||
| + | <a class="one" href="http://antwrp.gsfc.nasa.gov/apod/astropix.html">Astronomy</a> | <a class="one" href="http://www.msss.com/">Mars</a> | <a class="one" href="http://epod.usra.edu/">Earth</a></p> | ||
| + | </td> | ||
| + | </tr> | ||
| + | </table> | ||
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| + | <p> </p> | ||
Revision as of 15:43, 4 January 2015
Ray-Swept Stofler
[javascript:;" onMouseOver="MM_swapImage('Image1',,'archive/2004/09/images/LPOD-2004-09-02b.jpeg',1)" onMouseOut="MM_swapImgRestore() <img src="archive/2004/09/images/LPOD-2004-09-02.jpeg" name="Image1" width="448" height="344" border="0" id="Image1">] |
Image Credit: Wes Higgins |
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Ray-Swept Stofler Three-hundred fifty km east of Tycho is a crater which has seen some tough days. Stofler once was a 126 km wide Copernicus-like crater, probably about 4.5 km deep. Its still that wide, and softened relics of its terraces are visible, but the crater has been filled by 1.8 km of a light--hued smooth plains material that buried its central peak. But before the plains formed, other craters bombarded it. An old un-designated crater impacted on the floor of Stofler. Later that crater was cut in half by Faraday, which itself was hit by Stofler P, and then Faraday C (mouseover). At some point the covering of Stofler's floor occurred - probably after Faraday formed (lava or Orientale or Imbrium ejecta?) because that crater's rim seems slightly embayed by the floor material. The youngest crater to form on Stofler was Stofler F, a fresh 17.5 km wide, 2.8 km deep crater. Wes' image shows a classic "turned on a lath" inner wall for F, and two quite unusual hills on the edge of the crater floor. These hills are not central peaks - I don't know what they are. The last thing to happen to Stofler (except for a continuing rain of micro-meteorites) was its draping by bright ray material from Tycho about 810 m.y. ago.
Technical Details: Related Links: Tomorrow's LPOD: Snake in the Mare
<img src="MainPage/spacer.gif" width="640" height="1"> |
Author & Editor: Technical Consultant: Contacte al Traductor: A service of: Visit these other PODs: |
COMMENTS?
Click on this icon File:PostIcon.jpg at the upper right to post a comment.
