2500-15-large satellites
2500-15-large satellites
2500-15-large satellites
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<strong>15</strong>.7 Comparing the Large Satellites<br />
Titan Point #2<br />
Like the Inner Planets, Titan Must<br />
Also Have Accumulated Some Gases<br />
as a Result of Cometary Impacts<br />
• Approximately 50% of Titan’s Initial Mass Was<br />
Water Ice That Now Forms a Crust and Mantle<br />
Around a Silicate Core<br />
• Titan Is Partially Made-Up of Comets That<br />
Added to the Volatile Mixture Accreted by the<br />
Original Icy Planetesimals