The Ultimate Chronology of the Universe Quiz
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Questions and Answers

According to Big Bang cosmology, when did the earliest stages of the universe's existence take place?

  • 13.8 billion years ago (correct)
  • 68% confidence level
  • 21 million years ago
  • 10−12 picoseconds ago

    • What is the Planck epoch?

  • A period during which established laws of physics may not have applied (correct)
  • The expansion of space itself
  • The supercooling of the still immensely
  • The first picosecond of cosmic time

    • Which fundamental interaction or force emerged first in the early universe?

  • Weak
  • Gravitation (correct)
  • Strong
  • Electromagnetic

    • What is the uncertainty level of the estimate for the earliest stages of the universe's existence?

    <p>Around 21 million years</p> Signup and view all the answers

    How many stages is the chronology of the universe divided into for the purpose of this summary?

    <p>Five</p> Signup and view all the answers

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