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Comparative planetology of early intense cratering and other cratering effectsIntense early cratering in the first few hundred million years of the solar system, its decline to the present rate, and the consequent effects on the evolution of planetary surfaces were studied.
Document ID
19890015381
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Hartmann, William K. (Planetary Science Inst. Tucson, AZ, United States)
Date Acquired
September 5, 2013
Publication Date
November 14, 1987
Subject Category
Geophysics
Report/Patent Number
NASA-CR-182966
NAS 1.26:182966
Report Number: NASA-CR-182966
Report Number: NAS 1.26:182966
Accession Number
89N24752
Funding Number(s)
CONTRACT_GRANT: NASW-3782
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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