Computer Science
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ldef.rept...98l&link_type=abstract
In NASA. Langley Research Center Long Duration Exposure Facility (LDEF) p 98-100 (SEE N84-24632 15-15)
Computer Science
Interstellar Chemistry, Interstellar Gas, Isotopes, Spaceborne Experiments, Long Duration Exposure Facility, Metal Foils, Nuclear Fusion, Stellar Winds
Scientific paper
The objectives of this experiment are to collect and isotopically analyze interstellar gas atoms around the orbit of the Earth for the purpose of obtaining new data relevant to understanding nucleosynthesis, and to study the dynamics of the interstellar wind inside the heliosphere and the isotopic composition of the interstellar medium outside the heliosphere. The experiment hardware will act as a set of simple cameras with high-purity copper-beryllium collecting foils serving as the film. The experiment housing will mount and thermally control the foils, establish the viewing angles and viewing direction, provide baffling to reject ambient neutral particles, provide a voltage grid to reject ionospheric charged particles, sequence collecting foils, control exposure times, and protect the foils from contamination during the deployment and retrieval of the LDEF. After being returned to Earth, the entrapped atoms can be analyzed by mass spectroscopy to determine the relative abundance of the different isotopes of helium and neon. An attempt will also be made to detect argon.
Buehler Fritz
Geiss Johannes
Lind D. L.
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