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Problems Related to Interplanetary Matter (1961) / Chapter Skim
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EXPLORATION OF THE MOON AND PLANETS
Pages 73-76

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From page 73...
... R Hibbs Jet Propulsion Laboratory California Institute of Technology Planned Program of the California Institute of Technology Jet Propulsion Laboratory The program for exploration of the Moon and planets is fairly well mapped out, for the next few years at least.
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From page 74...
... The problem is then: to what extent can localized mixing of material from the original surface with the overlying dust layer, by means of meteoritic pitting, preserve the initial surface characteristics? Assign, for coding purposes, a "whiteness" to the initial surface, and a "blackness" to the material added.
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From page 75...
... Cameron: The rate of transport of eroded material, which is an important component of re, is especially sensitive to sintering. It may be that, considering a steady state balance between erosion and sintering, conditions strongly favor sintering of these fine particles, so that re is quite low.
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From page 76...
... REFERENCE Gold, T
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Key Terms

  • initial surface
  • space craft
  • jet propulsion
  • original surface
  • propulsion laboratory

  • distance x
  • characteristic distance
  • dust layer
  • white material
  • technology jet

  • martian surface
  • fine particles
  • strongly favor
  • state balance
  • planetary atmosphere

  • examine properties
  • ten times
  • steady state
  • times tne
  • favor sintering

  • lunar maria
  • hibbs jet
  • average depth
  • hibbs engaged
  • capsule equipped

  • average crater
  • instrument package
  • coding purposes
  • particularly simple
  • planetary surface


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