Physics · Cosmology
According to standard cosmological estimates based on the Big Bang Model, approximately how many billion years ago did the universe expand from an extremely dense and hot state?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19.3 billion years ago
- 220.5 billion years ago
- 34.6 billion years ago
- 413.8 billion years ago✓
Correct answer
13.8 billion years ago
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