- #1
W3pcq
- 109
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1. I'm just wondering exactly why people theorize that the universe is 13.7 billion years old.
What is the accuracy of this estimate?
2. How certain are cosmologists that there was a beginning to time and what evidence is there of this?
What is the accuracy of this estimate?
2. How certain are cosmologists that there was a beginning to time and what evidence is there of this?
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