Explain all answers clearly, with complete sentences and proper essay structure if needed. An asterisk(*) designates a quantitative problem, for which you should show all your work.
Low-Density PIanets. Only one planet in our solar system has a density less than, but many extrasolar planets do. Explain why in a few sentences. (Hints: Consider the densities of the Jovian planets in our solar system, given in Figure 6.1.)
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