Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufm.p13d1720p&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #P13D-1720
Astronomy and Astrophysics
Astronomy
[6250] Planetary Sciences: Solar System Objects / Moon
Scientific paper
Dust, the charged lunar surface, and the ambient plasma form a closely coupled system. The lunar surface is permanently under the influence of charging effects such as UV radiation or energetic solar wind and magnetospheric particles. The surface charging effects result in strong local electric fields which in turn may lead to mobilization and transport of charged dust particles. Furthermore, the environment can become even more complex in the presence of local crustal magnetic anomalies or due to sunlight/shadow transitions. A detail understanding of these phenomena and their dependence on external influences is a key point for future robotic/human lunar exploration and requires an appropriately tuned instrumentation for in situ measurements. Here we present preliminary results from the concept and design phase A study of the Lunar Dust Environment and Plasma Package (L-DEPP), which has been proposed as one of model instrument payloads for the planned Lunar Lander mission of the European Space Agency. Focus is held on scientific objectives and return of the mission with respect to environmental and mission technology constraints and requirements. L-DEPP is proposed to consist of the following instruments: ELDA - Electrostatic lunar dust analyser, LP - Langmuir probe, RADIO - Broadband radio receiver & electric field antennae, LEIA - Lunar electron and ion analyser, and MAG - Flux-gate magnetometer. In addition to the dust and plasma measurements the RADIO experiment will provide a site survey testing for future radio astronomy observations.
Auster H.
Bale Stuart
Delory Gregory T.
Devoto P.
Farrell William M.
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