Solar System Ice: Amorphous or Crystalline?

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Science  14 Oct 1983:
Vol. 222, Issue 4620, pp. 161-163
DOI: 10.1126/science.222.4620.161


The role of meteoritic bombardment on icy surfaces in the solar system is investigated. Using recent theoretical results concerning the nature of ejecta from impact craters in ice, the author concludes that the ratio of amorphous to crystalline ice surfaces should be lower then 1.0.