Gallery: NASA ready to shoot the moon

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  • On Friday morning October 9 at 4:31:19 a.m. PDT, NASA plans to have two spacecraft crash into the lunar surface to dig up some moon dust and search for water.

    As it races toward the moon, the Lunar CRater Observing and Sensing Satellite (LCROSS) will launch the still-attached upper stage of the Atlas V Centaur rocket to strike the moon first and create a plume of debris that LCROSS will analyze for about four minutes before it gets cratered and creates its own plume. The greatest hope is that scientists will discover water as they search the debris from both impacts.

    The crash is not expected to be seen from Earth by the naked eye or binoculars, but is expected to be visible with Earth- and space-based telescopes 10-to-12 inches and larger.

    Credit: NASA

    Caption by: Andy Smith

  • This half of the Earth will be faced toward the moon at about 4:30 a.m. PDT when LCROSS plunges into the lunar surface. NASA is planning a series of parties at observatories and museums across the U.S. to observe the event with experts.

    Excellent lighting conditions are expected in the Mountain, Pacific, Alaska and Hawaii time zones. In the Central time zone, the best viewing will be west of the Mississippi, and daybreak in the Eastern time zone will prevent viewing the plume.

    Caption by: Andy Smith

  • Since the Sun rises no more than 1.6 degrees above the horizon at the moon's poles, shallow craters can have permanently shadowed floors where water ice can exist.

    Caption by: Andy Smith

  • The plan.

    As it approaches the moon, LCROSS will release the Centaur then brake and turn 180 degrees to allow the instrument payload to capture the Centaur impact. It will have four minutes after the Centaur crashes to collect data and transmit it back to earth before it is vaporized.

    Caption by: Andy Smith

  • How it should work. This test, taken with a high-speed camera, shows a plume of water vapor emerging after a verticle impact into dry ice.

    Credit: P. H. Schultz, Brown University and AVGR.

    Caption by: Andy Smith

  • A similar crater could be left on the moon's surface.

    Credit: NASA

    Caption by: Andy Smith

  • LCROSS and the Centaur were launched on June 18,2009.

    Caption by: Andy Smith

  • The flight plan.

    Caption by: Andy Smith

  • LCROSS views the Earth on August 17, 2009 from a distance of more than 300,000 miles.

    Caption by: Andy Smith

  • LCROSS (the streak in the center) as photographed from Earth.

    Caption by: Andy Smith

  • Labeled composite image of the South Pole taken by New Mexico State University/ Marshall Space Flight Center, using the Tortugas 24-inch telescope.

    ?Credit: NMSU/MSFC

    Caption by: Andy Smith

  • The impact site.

    Caption by: Andy Smith

  • A closer look at the impact site.

    Caption by: Andy Smith

  • Even closer.

    Caption by: Andy Smith

  • This image shows the candidate craters for the crashing site - a crater called Cabeus (cricled) was selected.

    Caption by: Andy Smith

  • The The dark blue and purple areas of the moon's north (left) and south pole show evidence of hydrogen-rich deposits covered by dessicated regolith where ice or hydrated minerals could exist.

    Credit: NASA

    Caption by: Andy Smith

  • The original landing site was a crater called Cabeusa A, however, last week NASA switched to crater Cabeusa (proper) after it was determined that it contained a small valley that would allow sunlight to better illuminated the crash.

    Caption by: Andy Smith

  • A look at the LCROSS probe and the instruments that will analyze the crash of the Centaur probe. The instruments include two near-infrared spectrometers, a visible light spectrometer, two mid-infrared cameras, two near-infrared cameras, a visible camera, and a visible radiometer.

    Caption by: Andy Smith

  • A chart of the instruments.

    Caption by: Andy Smith

  • The range gun for testing.

    The NASA Ames Vertical Gun Range (AVGR) at NASA Ames Research Center, Moffett Field, CA.

    Credit: P. H. Schultz, Brown University and AVGR

    Caption by: Andy Smith

  • At the lab, LCROSS is being prepared for shipping.

    Caption by: Andy Smith

  • Cleaning LCROSS.

    Caption by: Andy Smith

  • The first stage of LCROSS's journey is aboard a FedEx truck.

    Caption by: Andy Smith

  • The Lunar Reconnaissance Orbiter (LRO) recently began taking high-resolution images of the lunar surface.

    Caption by: Andy Smith

  • The LRO last week took this photograph of American space junk left on the moon, the landing site of Eagle from Apollo 11.

    Caption by: Andy Smith

  • The Atlas Centaur at the launch site.

    Caption by: Andy Smith

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On Friday morning, NASA plans to have two spacecraft crash into the lunar surface to dig up some moon dust and search for water.

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On Friday morning October 9 at 4:31:19 a.m. PDT, NASA plans to have two spacecraft crash into the lunar surface to dig up some moon dust and search for water.

As it races toward the moon, the Lunar CRater Observing and Sensing Satellite (LCROSS) will launch the still-attached upper stage of the Atlas V Centaur rocket to strike the moon first and create a plume of debris that LCROSS will analyze for about four minutes before it gets cratered and creates its own plume. The greatest hope is that scientists will discover water as they search the debris from both impacts.

The crash is not expected to be seen from Earth by the naked eye or binoculars, but is expected to be visible with Earth- and space-based telescopes 10-to-12 inches and larger.

Credit: NASA

Caption by: Andy Smith

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