Difference between revisions of "November 19, 2009"
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=40 Years Ago Today= | =40 Years Ago Today= | ||
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<em>Ap 12-51-7507 image from [http://history.nasa.gov/alsj/a12/a12.html Apollo 12 Lunar Surface Journal]</em><br /> | <em>Ap 12-51-7507 image from [http://history.nasa.gov/alsj/a12/a12.html Apollo 12 Lunar Surface Journal]</em><br /> | ||
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<strong>Related Links</strong><br /> | <strong>Related Links</strong><br /> | ||
| − | Rükl plate [ | + | Rükl plate [https://the-moon.us/wiki/R%C3%BCkl_44 44]<br /> |
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| − | + | <p><b>Yesterday's LPOD:</b> [[November 18, 2009|Tough Moon]] </p> | |
| + | <p><b>Tomorrow's LPOD:</b> [[November 20, 2009|Elevated Drapery]] </p> | ||
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Latest revision as of 18:54, 13 October 2018
40 Years Ago Today
Ap 12-51-7507 image from Apollo 12 Lunar Surface Journal
Everyone remembers Neil Armstrong's, Houston, Tranquillity Base. The Eagle has landed. But what were the first words from the second mission to the Moon? Reading the transcript the first words spoken on the Moon by the Apollo 12 crew were between Al Bean and Pete Conrad shutting down systems, but the first exchange with mission control seems to have been at MET 110:33:27 when Conrad said, Okay, we're in hot shape, Houston. We're in real good shape! While still in orbit on the way to the surface, Conrad commented, Pretty darn rugged down there. He could have been talking about the area east of Ptolemaeus, cut by radial striations from Imbrium ejecta. Or perhaps this view, taken by Dick Gordon in the orbiting Command Module, looking across Ptolemaeus to the west. Bean and Conrad probably didn't take the time to study Herschel, the 40 km wide fresh crater near the right center edge of the frame. Landing might be the only way to get to the floor of this crater, for its long smooth steep scarp would inhibit overland transportation - especially if you wanted to drive out. But there will probably be little reason to go the the floors of most craters. Scientifically, the main attraction would be the central peak whose composition would reflect the upper crust 5-10 km below Herschel. And hopefully, impact melt on the crater floor could be found and dated, determining the age of the crater.
Chuck Wood
Technical Details
MET = mission elapsed time - time since launch.
Related Links
Rükl plate 44
Yesterday's LPOD: Tough Moon
Tomorrow's LPOD: Elevated Drapery
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