Difference between revisions of "May 18, 2006"

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=Bird's Feet and Droppings?=
 
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<p>[[File:AS15-87-11724LPOD.jpg|Thomson-AS15]]<br />
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<p>[[File:AS15-87-11724LPOD.jpg|Thomson-AS15]]<br />
 
 
<em>image from Apollo 15-87-11724</em></p>
 
<em>image from Apollo 15-87-11724</em></p>
 
<p>Goddard is a lava-floored crater ruin with nearby swirls on the edge of Mare Marginis. But this isn’t Goddard – it fooled me. Its the look-alike 117 km wide crater Thomson on the farside Mare Ingenii. The mare-covered surface looks like it has been walked across by a triangle-footed creature. Look closely and notice that the triangles point toward the upper right. These are bird’s foot style secondary craters probably from a young impact crater, but I don&#8217;t know which one - the farside is still alien to me! The swirls in Ingenii are like Reiner Gamma - surface deposits without any topography at all. Ingenii is exactly opposite to the Serenitatis basin – for some reason this swirl group and the Marginis one are antipodal to impact basins. </p>
 
<p>Goddard is a lava-floored crater ruin with nearby swirls on the edge of Mare Marginis. But this isn’t Goddard – it fooled me. Its the look-alike 117 km wide crater Thomson on the farside Mare Ingenii. The mare-covered surface looks like it has been walked across by a triangle-footed creature. Look closely and notice that the triangles point toward the upper right. These are bird’s foot style secondary craters probably from a young impact crater, but I don&#8217;t know which one - the farside is still alien to me! The swirls in Ingenii are like Reiner Gamma - surface deposits without any topography at all. Ingenii is exactly opposite to the Serenitatis basin – for some reason this swirl group and the Marginis one are antipodal to impact basins. </p>
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<p><b>Related Links:</b><br />
 
<p><b>Related Links:</b><br />
 
Clementine Atlas plate 119</p>
 
Clementine Atlas plate 119</p>
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===COMMENTS?===
 
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Latest revision as of 22:19, 9 February 2015

Bird's Feet and Droppings?

Thomson-AS15
image from Apollo 15-87-11724

Goddard is a lava-floored crater ruin with nearby swirls on the edge of Mare Marginis. But this isn’t Goddard – it fooled me. Its the look-alike 117 km wide crater Thomson on the farside Mare Ingenii. The mare-covered surface looks like it has been walked across by a triangle-footed creature. Look closely and notice that the triangles point toward the upper right. These are bird’s foot style secondary craters probably from a young impact crater, but I don’t know which one - the farside is still alien to me! The swirls in Ingenii are like Reiner Gamma - surface deposits without any topography at all. Ingenii is exactly opposite to the Serenitatis basin – for some reason this swirl group and the Marginis one are antipodal to impact basins.

Chuck Wood

Technical Details:
This spectacular Apollo 15 image is one of the 2200 recently added to Kipp Teague’s Project Apollo Archive.

Related Links:
Clementine Atlas plate 119

Yesterday's LPOD: A Fault of Consequence

Tomorrow's LPOD: How Can You Be Tranquil When So Much is Happening?

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