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    Age 14 dating

    Measurements of the cosmic background radiation give the cooling time of the universe since the Big Bang, of cosmological time.

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    For example, "10 seconds ago", the precision of the meaning would be lost because the minuscule latter time interval is eclipsed by uncertainty in the former.The age of the universe can be determined by measuring the Hubble constant today and extrapolating back in time with the observed value of density parameters (Ω).Before the discovery of dark energy, it was believed that the universe was matter-dominated, and so Ω on this graph corresponds to Ω The problem of determining the age of the universe is closely tied to the problem of determining the values of the cosmological parameters.Combining these measurements leads to the generally accepted value for the age of the universe quoted above.The cosmological constant makes the universe "older" for fixed values of the other parameters.

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