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    The Big Bang Theory Quiz

    Test your knowledge of The Big Bang Theory with these challenging questions related to physics, astronomy, and cosmology.

    What is the average density of the universe?

    What is the composition of the cosmic microwave background radiation?

    What is the significance of the cosmic microwave background radiation?

    What is the estimated age of the universe?

    What is the cosmic microwave background radiation?

    What is the CMBR anisotropy caused by?

    What is the Hubble constant used for?

    What is the most abundant element in the universe?

    What is the temperature of the cosmic microwave background radiation?

    What is the age of the oldest known star in the universe?