SP-345 Evolution of the Solar
System
FIGURE 20.7.1c.- Average density as a
function of gravitational potential energy, Mc/rorb for the
planets and better known satellites. The distribution indicates that
heavy substances accumulated both in the inner and outermost regions
of the systems, whereas light substances dominate in the intermediate
region. Symbols are those used in figs. 20.7.1a and b. Data from
table 20.5.1.
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