17. How dense is the Sun? (A K2S Question)
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The core of the Sun has a density of 5.78 pounds per inch3, which is about ten times that of lead! The fact that the Sun is 109 times the diameter of the Earth with a mass more than 300,000 times greater than the Earth provides all the gravity that it needs to crush the material in its core.
Answer provided by Jim Zebrowski
Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
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