Temperature recommendation to preserve a chemical status quo of cometary samples.

Details Temperature recommendation to preserve a chemical status quo of cometary samples. Temperature recommendation to preserve a chemical status quo of cometary samples.

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.249..165r&link_type=abstract

ESA Spec. Publ., ESA SP-249, p. 165 - 168

Physics

Cometary Nuclei:Chemistry, Cometary Nuclei:Space Missions, Space Missions:Cometary Nuclei

Scientific paper

The preservation of a "chemical status quo" is an important postulate for a comet nucleus sample return mission. On the basis of experiments on radiation induced reduction and oxidation of organics in ice and frozen NH3, a sampling and return temperature of T ≈ 100K is recommended. The temperature should at least not exceed that of the surface near interior (some meters depth), i.e. about 130K.

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