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1. Describe how quasars were discovered. 2. Explain how astronomers determined t

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1. Describe how quasars were discovered.
2. Explain how astronomers determined that quasars are at the distances implied by their redshifts.
3. Justify the statement that the enormous amount of energy produced by quasars is generated in a very small volume of space.
Link to book:
https://openstax.org/books/astronomy/pages/27-thinking-ahead

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