Concept explainers
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.
Universe on a Balloon. In what ways does the surface of a balloon offer a good analogy to the universe? In what ways it this analogy limited? Explain why a miniature scientist living in a polka dot on the balloon would observe all other dots to be moving away,with more distant dots moving away faster.
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