题型分类：表格填写题

题干分析：选择满足图表分类的正确选项

选项解析：
E选项：属于Callisto，对应第一段第三句Callisto rotates in the same period as it revolves, so it always keeps the same face toward Jupiter的部分。
G选项：属于Callisto，对应第三段第一句话Like our Moon’s highlands, the surface of Callisto is covered with impact craters的部分。

A选项：属于Ganymede，对应第四段第四句“Measurements of its gravity field tell us that the rock and metal sank to form a core about the size of our Moon的部分。

C选项：属于Ganymede，第四段倒数第三句In addition, the Galileo spacecraft discovered that Ganymede has a magnetic field, the signature of a partially molten interior的部分。

D选项：属于Ganymede，对应最后一段倒数第二句But more likely the gravity of Jupiter is to blame for Ganymede's continuing geological activity的部分。

B选项：定位到第四段最后一句Much of its surface may be as young as half a billion years与原文不符。

F选项：与原文无关。