Concept explainers
Explain all answers clearly, using complete sentence and proper essay structure if needed. An asterisk (*) designates a quantitative problem, for which you should show all your work.
Saturn vs. the Milky Way. Photos of Saturn with its rings can look so similar to photos of galaxies that children often think they are similar objects, but of course galaxies are far larger. About how many times larger in diameter is the Milky Way Galaxy than Saturn’s rings? (Data: Saturn’s rings are 270,000 km in diameter; the Milky Way is 100,000 light-years in diameter.)
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