What's Wrong With the Big Bang Theory?

The video explores the expansion of the universe and the Big Bang Theory, discussing the universe's state at various points in time. It delves into the electroweak era, grand unified theories, and the challenges of understanding the universe at the Planck Length. The cosmic microwave background and the horizon problem are addressed, with inflation theory proposed as a solution. The video concludes with a discussion on the boundaries of the Big Bang Theory and the potential for future exploration.

What challenges do scientists face in testing grand unified theories?

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How does the cosmic microwave background radiation provide insights into the early universe?

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In what ways does the Big Bang Theory explain the expansion of the universe?

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