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| ID No : | 615 Edit | Title: | The Importance of LRO Observations to the LCROSS Mission |
| Summary / Review : | "LCROSS, the Lunar CRater Observation and Sensing Satellite, will be launched on the same rocket as the Lunar Reconnaissance Orbiter (LRO) later this year (http://lcross.arc. nasa.gov). The LCROSS scientific objectives are: (1) Confirm the presence or absence of water ice in a permanently shadowed region on the Moon. (2) Identify the form/state of hydrogen observed by at the lunar poles. (3) Quantify, if present. the amount of water in the lunar regolith, with respect to hydrogen concentrations. (4) Characterize the lunar regolith within a permanently shadowed crater on the Moon. The presence of water ice is hypothesized based on evidence found by the Lunar Prospector neutron spectrometer for hydrogen in permanently shadowed regions at the poles [I]. The LCROSS spacecraft will set the rocket's Centaur Earth departure upper stage (EDUS) on an impact trajectory with the Moon. Once the trajectory is set, the spacecraft will release the EDUS, which will then impact the Moon in a permanently shadowed region characterized by high concentrations of hydrogen according to the Lunar Prospector neutron spectrometers. Following four minutes behind the EDUS. LCROSS will fly through the impact plume, using its 5 cameras 1 visible, 2 Near IR, 2 Mid IR), three spectrometers (1 visible, 2 NIR), and one photometer to search for water ice." (Author's abstract) |
| Author(s) : |
Bart, G. D.; Colaprete, A., [Ames Research Center] |
| Publication Date: | 2009 |
| Category(s) : |
Exploration and resources / Lunar / Probes / LRO and LCROSS |
| Web URL : |
http://hdl.handle.net/2060/20110012759
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| PERMANENT code(s) : | L,U |
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| NTRS : | 20110012759 |
| Submitted by : | MEP |
| Comments: |
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