How do astronomers estimate the age of the solar system

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What do astronomers use to calculate the age of the universe? Check all that apply. dark energy the age of rocks on Earth the age of the oldest stars patterns of background radiation how fast distant galaxies are moving away from us

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The answers are:

The age of the oldest stars

How fast distant galaxies are moving away from us

Patterns of background radiation

Using these techniques, and using the Big Bang as reference point, astronomers estimate that the universe may be approximately 12 billion years old.



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