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Originally posted by Misfit
Am I missing something?
Is there something particular I should have in my PC so that the JAXA images don't look like, well, computer rendered video game screenshots?
Originally posted by network dude
I have a friend who thinks we never went to the moon. I will have to show him the footprints and the lander.
nice thread.
Originally posted by Xingili
My comments:
- Draw your own conclusions. ;-)
- Wasn't there some discussion about the Apollo mountain backdrop appearing in different photos taken at different locations?
- Did they do this with the Apollo 11 site as well? If yes, why no comparison? ;-)
Show mercy, this is my first post. Thank you!
Originally posted by ngchunter
you find they actually comprise a stereoimage of the distant mountains. The images were actually taken during the same mission from locations separated by kilometers, establishing a good baseline for a stereoimage.
On December 11, 1972 (GMT), Apollo 17 landed on the Moon at the Taurus-Littrow Valley, which was located on the southeastern rim of Mare Serenitatis. This flat valley is surrounded by mountains (Massif), which were made of ejecta rocks from the deep crust excavated when Mare Serenitatis was formed by collision of a small asteroidal body.
Dr. Harrison H. Schmitt was the first and only scientist-astronaut for geology (astro-geologist) to the Moon. He investigated the big boulders fell down from these mountains, and brought back some pieces of these rocks to Earth. Only a few samples (among 110 kg rocks) brought back by them were found to be formed in the deep primitive crust and had crystallization age of approximately 4.5 billion years ago, just after the birth of the Moon. The Apollo 17 crew also sampled “orange soil”, which was composed almost entirely of glass spherules about 3.5 billion years ago. The spherules might have formed by quenching lava fountains, after the eruption of mare basalts in Mare Serenitatis 3.7 billion years ago.
Since Apollo 17 was in a low latitude inclination orbit and KAGUYA is in a polar orbit, KAGUYA flies over the Apollo 17 landing site from/to north to/from south and KAGUYA can observe the landscape by prospecting the Valley from the south to north. The photograph looks down at the Apollo landing site on the north side above the East Massif.
A three-dimensional (3D) terrain image into which the aspect is freely changed can be made from the Terrain Camera (TC) stereo-pair data.
Three-dimensional image of the same landscape as that of the picture taken by the Apollo 17 crew came into view when it approached the Apollo landing site and the aspect of the binocular vision image was lowered.
In the Apollo picture, bouldersare scattered on rim and inner wall of Camelot Crater, and Mons North Massif is seen in the far left hand side greatly. The hill on the right hand side of the picture is Sculptured Hill, whose elevation is 1,260 m from the bottom of the valley.
The samples that the Apollo 17 crew brought back revealed that these mountains composed of complex breccias, which was an aggregate of various rocks deconstructed by meteor impact.
Although the small object (e.g. boulders) cannot be shown in this TC image because their respective sizes are less than the spatial resolution of the TC of 10 meters from 100km orbit above the Moon, the shape of the mountains is almost the same, indicating the spatial resolution of the TC is very high.
*Prof. Hiroshi Takeda, LISM/TC editorial group member, gave his comments:
My memories of Apollo 17
Apollo 17, the last mission of the Apollo program, was really memorable for me because I came back to the Univ. of Tokyo the day after the Apollo 17's liftoff from the Moon, after two years stay for researches at Manned Spacecraft Center (MSC), Houston, USA. Because we had many unsolved subjects by the Apollo program, I felt that Japanese lunar exploration should be undertaken. After 38 years trials, KAGUYA (SELENE) is finally orbiting the Moon.
Before the mission of Dr. Schmitt to the Moon, we had a chance to request him much about the lunar samples at the Geochemistry branch meeting. Since we found a rusty rock in the Apollo 16 samples (including a hydrated iron oxide mineral, Akaganeite, first found at Akagane-mine in the northeastern region of Japan), it was expected that the dark mantle material on the mare plane was ejected from one of the young fumaroles at the Apollo 17 site. Apollo 17 crews found orange-colored layers at the Shorty Crater, but the orange soils they collected were turned out to be volcanic orange glasses which formed by quenching lava fountains 3.5 billion years ago. It was 2005, when I met Dr. Schmitt again by his visit to Japan just before Aichi-Expo.
Dr. Harrison Schmitt, the Apollo 17 astronaut, kindly gave his comments for this TC 3D-image of the Apollo 17 landing site.
----------------------------------------------------
Thank you so much for allowing me an advance viewing of the image captured by Terrian Camera on Kaguya.
By zooming in, one clearly can see the light fingers of the regolith avalanche deposit from the South Massif(figure A); the dark ejecta blanket of Shorty Crater (figure B), the site of the orange pyroclastic glass deposit I discovered (figure C) ; the light albedo spot of the Challenger landing point (figure D); and many geologic features studied and sampled by Gene Cernan and me on Apollo 17(figure E). Thank you for the memories!
Best regards,
Harrison (figure F)
The Japan Aerospace Exploration Agency (JAXA) reported on the "halo" generated by the Apollo 15 lunar module engine exhaust plume that was detected in the data from Terrain Camera (TC) image.
This was an image processed by the SELENE mission instrument team from the observation data of the Apollo 15 landing site on the moon (the foot of the Apennine Mountains encircling the Mare Imbrium close to Hadley Rille). This is the world's first report on the detection of the "halo" through observations after the end of the Apollo program.
The enlarged image where the area of the potential "halo" exists. (left image: 1 square kilometer in size. The red circle encloses the potential "halo").The reflectivity of the "halo" area became brighter than the original one by the Apollo 15 lunar module engine exhaust plume and the probable "halo" area was confirmed. Right two images show the reflectivity change of the surface before and after the landing of the Apollo 15. At right-top, oblique view as taken from the lunar module on descent approach: at right-bottom, view taken from command-service module two revolutions after the landing. The circle encloses the landing site in both views, the latter having a bright halo.
Originally posted by Xingili
Remaining questions for me:
1) While Apollo 11 landscape was boring, why no comparisons for Apollo 12, 14 and 16?
2) Could anyone access the raw data and recreate the synthetic view?
3) What happened with the plans of the ESA moon probe doing a real low altitude flybe of the Apollo 11 landing site while taking some photos before crashing on the surface? It was never done, why?
Which probe, SMART-1?