3.3 Searching for Supernovae - World Science U

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3.3 Searching for Supernovae

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Searching for Supernovae Exercise

Question 1 of 1

1. Question
Why did astronomers look to measure supernovae that were 5 billion light years or more away?
- 1. To eliminate the possibility of dust affecting the measurements
- 2. They are from an era in which the universe was still decelerating
- 3. To measure the change in expansion rate over the last 5 billion years
- 4. All of the above
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