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    Hadley Rille Apollo 15

    Dave and Jim are looking at the rille off-camera to the left. Dave takes pictures with the 500-mm camera. Jim goes off-camera to the right as Dave begins a summary description of the rille wall. Still talking, he begins walking but trips on a rock and falls forward to the ground, burying the camera in the dust.
    http://www.hq.nasa.gov/office/pao/History/alsj/a15/a15v_1653131.mpg


    Rover television pans showing Dave putting the 500-mm camera on the rover seat and collecting tongs and the gnomon from the rover, followed by a view of him further afield to the right as he goes down towards the rille, then climbs back up to test ease of return on the slope. Satisfied, he begins to return down to the rille, pausing to discuss sampling with Jim (off-camera).
    http://www.hq.nasa.gov/office/pao/History/alsj/a15/a15v_1653554.mpg
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    Apollo 15
    Landing Site

    Hadley Rille/Apennine Mountains
    26.13222° N latitude, 3.63386° E. longitude

    The Apollo 15 landing site was located at 26° 4´ 54¨ north latitude by 3° 39´ 30¨ east longitude at the foot of the Apennine mountain range. The Apennines rise up to more than 15,000 feet (4572 m) along the southeastern edge of Mare Imbrium (Sea of Rains).

    The Apennine escarpment--highest on the Moon-- is higher above the flatlands than the east face of the Sierra Nevadas in California and the Himalayan front rising above the plains of India and Nepal. The landing site had been selected to allow the astronauts to drive from the LM to the Apennine front during two of the EVAs.

    Hadley Rille is a V-shaped gorge paralleling the Apennines along the eastern edge of Mare Imbrium. The rille meanders down from an elongated depression in the mountains and across the Palus Putredinis (Swamp of Decay), merging with a second rille about 62 miles (100 kilometers) to the north. Hadley Rille averages about a kilometer and a half in width and about 1,300 feet (400 meters) in depth throughout most of its length.

    Large rocks have rolled down to the rille floor from fresh exposures of what are thought to be stratified mare beds along tops of the rille walls. Geologists were curious about the origin of the Moon's sinuous rilles, and some scientists believe the rilles were caused by some sort of fluid flow mechanism--possible volcanic.

    Mount Hadley, Hadley Rille and the various Hadley craters in the region of the landing site are named for British scientist-mathematician John Hadley (1682-1744) who made improvements in reflector telescope design and invented the reflecting quadrant--an ancestor of the mariner's sextant.


    http://www.nasm.si.edu/collections/imagery/apollo/AS15/images/A15site_traverses.jpg

    http://www.nasm.si.edu/collections/imagery/apollo/FIGURES/traverses/as15traverse.m.jpg

    http://astrogeology.usgs.gov/Projects/LunarAtlas/maps/images/AP15trav27Jan99.jpg

    http://history.nasa.gov/alsj/a15/a15_lpi_trvrsmap.gif

    http://www.hq.nasa.gov/alsj/a15/a15.names.jpg

    http://www.sydneyobservatory.com.au/blog/wp-content/uploads/2007/10/hadley-rille-a15-fig-2.JPG

    http://dayton.hq.nasa.gov/IMAGES/MEDIUM/GPN-2000-001289.jpg

    http://hea-www.harvard.edu/~fine/images/desktops/Irwin-Loads-Rover.jpg

    http://hea-www.harvard.edu/~fine/images/desktops/Irwin-Mount-Hadley.jpg

    http://upload.wikimedia.org/wikipedia/commons/3/33/Moon_landing_map.jpg

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    Dave and Jim are looking at the rille off-camera to the left. Dave takes pictures with the 500-mm camera. Jim goes off-camera to the right as Dave begins a summary description of the rille wall. Still talking, he begins walking but trips on a rock and falls forward to the ground, burying the camera in the dust.
    http://www.hq.nasa.gov/office/pao/History/alsj/a15/a15v_1653131.mpg


    Rover television pans showing Dave putting the 500-mm camera on the rover seat and collecting tongs and the gnomon from the rover, followed by a view of him further afield to the right as he goes down towards the rille, then climbs back up to test ease of return on the slope. Satisfied, he begins to return down to the rille, pausing to discuss sampling with Jim (off-camera).
    http://www.hq.nasa.gov/office/pao/History/alsj/a15/a15v_1653554.mpg

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