2500-15-large satellites
2500-15-large satellites
2500-15-large satellites
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Crater-Retention<br />
Ages on the<br />
Satellites<br />
• He Played a Important Role<br />
in Defining the Standard<br />
Cratering History For the<br />
Inner Solar System with Its<br />
Heavy Bombardment Ending<br />
About 3.8 Billion Years Ago<br />
• He (and Colleagues)<br />
Concluded That the Heavy<br />
Bombardment Was<br />
Associated with the Entire<br />
Solar System, and Not<br />
Limited to Just the<br />
Terrestrial Planets of the<br />
Inner System