Each of the four expansion models (recollapsing, critical, coasting, and accelerating) predict different ages for the universe, given the cu

Question

Each of the four expansion models (recollapsing, critical, coasting, and accelerating) predict different ages for the universe, given the current expansion rate. Why is this

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Eirian 3 months 2021-07-30T17:12:52+00:00 1 Answers 2 views 0

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    2021-07-30T17:14:15+00:00

    Answer:

    This is because the age of the universe is determined by the pace of expansion in the past, and each model forecasts a different pace.

    Explanation:

    The age of the universe is determined by the pace of expansion in the past, and each model forecasts a different pace.

    This is due to the fact that the expansion rate in the coasting model is constant and never changes. Because the cosmos is growing faster now than during the old days, recollapsing and critical models give shorter ages. According to the accelerating model, the universe is growing at a slower rate currently than in the past, implying an older age.

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