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What do astronomers use to calculate the age of the universe

User Tseries
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2 Answers

4 votes

Answer:

The age of the universe is approximately 13.77 billion years. This age is calculated by measuring the distances and radial velocities of other galaxies, most of which are flying away from our own at speeds proportional to their distances.Explanation:

User Jasuten
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The age of the oldest stars ,

Patterns of background radiation ,

How fast distant galaxies are moving away from us.

User Jaguir
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