1. Labov said as he displayed the Ultra-High Resolution Gamma Ray and Neutron Spectrometers . 2. The neutron spectrometer senses the ice crystals to a depth of about two feet. 3. He worked with Rainwater on the construction of a neutron spectrometer . was classified. 4. "This was a wish come true, " said William Feldman, co-investigator for the neutron spectrometer . 5. (Bullet ) A neutron spectrometer to detect the presence of water vapor coming from the asteroid. 6. He also invented a sphere-moderated neutron spectrometer . 7. The HEND and Neutron Spectrometers on GRS directly detect scattered neutrons, and the gamma sensor detects the gamma rays. 8. Still another, a neutron spectrometer , will measure hydrogen, deposited in small amounts in the lunar soil by the solar wind. 9. Space scientists say the 5-foot-high, 660-pound Lunar Prospector's neutron spectrometer will either clinch the case for water or disprove it. 10. "We'll see a signature that has no other interpretation, " said Feldman, who is in charge of the neutron spectrometer research.
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