2500-15-large satellites
2500-15-large satellites
2500-15-large satellites
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Ganymede: A<br />
Moon with a<br />
History<br />
• Old, Dark Terrains and<br />
Less Cratered, Light<br />
Terrains Modified by<br />
Internal Activities<br />
• Cater Densities on Light<br />
Terrains –<br />
100-200 10 Km Craters<br />
Per 1 Million Km 2<br />
Much Lower Than the Heavily<br />
Cratered Areas of Callisto or<br />
Ganymede<br />
• Crater Retention Ages of<br />
1-2 Billion Years