Difference between revisions of "June 11, 2004"
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| − | + | <div align="center"> | |
| − | + | [[File:LPOD-2004-06-11.jpeg|LPOD-2004-06-11.jpeg]]<br> | |
| − | + | <span class="main_sm">Image Credit: [mailto:Bruno.DAVERSIN@lahague.com Bruno Daversin]</span> </a> | |
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| − | + | <table class="story" border="0" bgcolor="#FFFFFF" width="90%" cellpadding="10" align="center"> | |
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| − | + | <td><p class="Story" align="center"><b>Awesome Pitatus</b></p> | |
| − | + | <p class="story" align="left"> | |
| − | + | Pitatus is one of the under-appreciated gems of the Moon. With a diameter of 97 km it is about the same width as | |
| − | + | [../../../LPOD-2004-01-24.htm Plato] (101 km), but has a much more interesting interior. Presumably Pitatus | |
| − | + | was a Copernicus style crater when formed, with magnificent concentric wall terraces and a large central peak. | |
| − | + | Today the crater's rim is heavily battered by later impacts, the terraces are mush, the central peak is still | |
| − | + | there, and the floor is filled with mare lavas. What this extraordinary image shows is that Pitatus has an | |
| − | + | amazing system of rilles that hug the edges of the floor, with some fainter ones crossing it. In two places - the | |
| − | + | upper left (west) and the middle right (east) - the rille looks like the mare material it formed on was domed up, | |
| − | + | like a crack on the crust of home baked bread. Pitatus is another example of a floor-fractured crater - like | |
| − | + | [../../../LPOD-2004-01-15.htm Gassendi] and [../../../LPOD-2004-01-09.htm Posidonius] but its rilles | |
| − | + | are more concentrated around the floor edges. FFCs are thought to result from a magma intrusion that lifted the | |
| − | + | entire floor (hence the high - 480 m - central peak) and perhaps domed it, producing the tension craters around | |
| − | + | the edges.</p> | |
| − | + | <p><b>Technical Details: </b><br> | |
| − | + | Image obtained with Ludiver Observatory (Normandy, France) 600 mm (24") F/D=16 cassegrain telescope + infrared filter + TouCam Pro in B&W mode.</p> | |
| − | + | <p class="story" align="left"><i>Originally posted March 17, 2004 </i></p> | |
| − | + | <p class="story" align="left"><b>Related Links:</b><br> | |
| − | + | [http://www.lpi.usra.edu/research/cla/info/fiv/ Pitatus area at full Moon]<br> | |
| − | + | [http://www.ludiver.com/conquerir_espace_scientifique_lune.php Ludiver Planetarium & Observatory] | |
| − | + | </p> | |
| − | + | <p class="story"><b>Tomorrow's LPOD:</b> Moon Mosaic</p> | |
| − | + | </tr> | |
| − | + | </table> | |
| − | + | <hr width="640" align="center"> | |
| − | + | <p align="center" class="main_titles"><b>Author & Editor:</b><br> | |
| − | + | [mailto:tychocrater@yahoo.com 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>A service of:</b><br> | |
| − | + | [http://www.observingthesky.org/ ObservingTheSky.Org]</p> | |
| − | + | <p align="center" class="main_titles"><b>Visit these other PODs:</b> <br> | |
| − | + | [http://antwrp.gsfc.nasa.gov/apod/astropix.html Astronomy] | [http://www.msss.com/ Mars] | [http://epod.usra.edu/ Earth]</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 18:21, 4 January 2015
Pitatus
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Awesome Pitatus Pitatus is one of the under-appreciated gems of the Moon. With a diameter of 97 km it is about the same width as [../../../LPOD-2004-01-24.htm Plato] (101 km), but has a much more interesting interior. Presumably Pitatus was a Copernicus style crater when formed, with magnificent concentric wall terraces and a large central peak. Today the crater's rim is heavily battered by later impacts, the terraces are mush, the central peak is still there, and the floor is filled with mare lavas. What this extraordinary image shows is that Pitatus has an amazing system of rilles that hug the edges of the floor, with some fainter ones crossing it. In two places - the upper left (west) and the middle right (east) - the rille looks like the mare material it formed on was domed up, like a crack on the crust of home baked bread. Pitatus is another example of a floor-fractured crater - like [../../../LPOD-2004-01-15.htm Gassendi] and [../../../LPOD-2004-01-09.htm Posidonius] but its rilles are more concentrated around the floor edges. FFCs are thought to result from a magma intrusion that lifted the entire floor (hence the high - 480 m - central peak) and perhaps domed it, producing the tension craters around the edges. Technical Details: Originally posted March 17, 2004 Related Links: Tomorrow's LPOD: Moon Mosaic |
Author & Editor:
Charles A. Wood
Technical Consultant:
Anthony Ayiomamitis
A service of:
ObservingTheSky.Org
Visit these other PODs:
Astronomy | Mars | Earth
COMMENTS?
Click on this icon File:PostIcon.jpg at the upper right to post a comment.
