Background radiation effects and hazards in planetary instrumentation

Details Background radiation effects and hazards in planetary instrumentation Background radiation effects and hazards in planetary instrumentation

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006nimpa.564..559b&link_type=abstract

Nuclear Instruments and Methods in Physics Research Section A, Volume 564, Issue 1, p. 559-566.

Biology

Quantitative Biology

Biomolecules

Environmental Effects On Instruments, Effects Of Radiation And External Fields On Biomolecules, Cells And Higher Organisms

Scientific paper

Recent and proposed future planetary missions are becoming increasingly concerned with detailed geochemical assessment, often in a bid to ascertain the presence of water and life supporting geochemical systems. The instruments involved may use some kind of radioactive source, e.g. X-ray fluorescence spectrometry, Mössbauer spectrometry, neutron scattering. Having radioactive sources on a lander/rover poses various potential problems, in regard to both safety to personnel involved in the building of the instrument and to radiation effects on spacecraft structure and on other instruments. Indeed background radiation effects from one instrument may dominate measurements in another resulting in loss of scientific performance. Drawing on experience with the Beagle 2 probe which contained two instruments with radioactive sources, we present a discussion on the management of radiation hazards and background effects posed by radioactive sources for such planetary missions.

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