The Big Bang and Beyond
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Questions and Answers

Which theory describes how the universe expanded from an initial state of high density and temperature?

  • The Theory of Quantum Gravity
  • The Theory of Cosmic Inflation
  • The Big Bang theory (correct)
  • The Cosmic Microwave Background (CMB) theory

What does the flatness problem in the universe refer to?

  • The large-scale structure of the Universe
  • The overall uniformity of the Universe (correct)
  • The cosmic microwave background radiation
  • The abundance of light elements

What is cosmic inflation?

  • The large-scale structure of the Universe
  • The sudden and very rapid expansion of space during the earliest moments of the Big Bang (correct)
  • The abundance of light elements in the Universe
  • The cosmic microwave background radiation

What phenomena do cosmological models of the Big Bang explain?

<p>The abundance of light elements and the cosmic microwave background radiation (B)</p> Signup and view all the answers

What is currently lacking in physics to model the earliest conditions of the Big Bang?

<p>A widely accepted theory of quantum gravity (D)</p> Signup and view all the answers

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