Mathematics – Logic
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agusm.p41a..04s&link_type=abstract
American Geophysical Union, Fall Meeting 2007, abstract #P41A-04
Mathematics
Logic
5421 Interactions With Particles And Fields, 5470 Surface Materials And Properties, 6250 Moon (1221), 6297 Instruments And Techniques
Scientific paper
We provide an overview of the Cosmic Ray Telescope for the Effects of Radiation (CRaTER) instrument, part of the Lunar Reconnaissance Orbiter (LRO) science payload. LRO is the first mission in the NASA Robotic Lunar Exploration Program with a launch planned in late 2008. LRO mission objectives include finding safe landing sites, locating potential resources, and characterizing the radiation environment, three top priorities needed for future exploration of the Moon and Mars. The primary CRaTER science goal is to characterize, in the lunar environment, the biological consequences of galactic cosmic rays and solar energetic particles. CRaTER comprises a two-ended solid-state detector (SSD) telescope with one view to deep space and the other towards the lunar surface. Our primary measurement is the linear energy transfer spectrum of particles greater than 10 MeV per nucleon, measured by six SSDs surrounding and between plastic with properties similar to human tissue. These primary observations constrain radiation transport models and contribute ultimately to assessing the biological consequences of the lunar radiation environment. Secondary science is provided by the nadir field-of-view, which has the capability to measure and map cosmic ray albedo in a manner that could provide new insights on lunar surface properties. We outline primary and secondary CRaTER measurement capabilities and outline their potential contributions to lunar science.
Bernard Blake J.
Golightly Michael J.
Kasper Justin Christophe
Kepko Larry E.
Looper Mark Dixon
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