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Questions and Answers
According to Big Bang cosmology, when did the earliest stages of the universe's existence take place?
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?
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?
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?
What is the uncertainty level of the estimate for the earliest stages of the universe's existence?
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How many stages is the chronology of the universe divided into for the purpose of this summary?
How many stages is the chronology of the universe divided into for the purpose of this summary?
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