Questions and Answers
According to the Big Bang theory, how did the universe begin?
As a hot and infinitely dense point
What is the Planck epoch?
A stage dominated by radiation after the Big Bang
What resulted from the end of the Planck epoch?
Gravity splitting away from the superforce
What is defined by key events shaping the universe?
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What dominated the radiation era right after the Big Bang?
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How long ago did the Big Bang occur according to the text?
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During which epoch did the universe rapidly expand from the size of an atom to the size of a grapefruit?
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What was the first chemical element created in the universe?
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In which epoch did the universe cool down enough for quarks to bind together and form protons and neutrons?
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Which epoch was characterized by the fusion of protons and neutrons to create nuclei?
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What process helped create the universe's second element, hydrogen, during the atomic epoch?
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Which stage in the universe's development is characterized by the formation of stars?
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What caused a tremendous ripple effect and helped shape almost all the remaining elements in the universe?
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