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Contents of 7.6 How have scientists determined the age of Earth?
- Nonscientific assessments - Greek philosophers posited a universe that cycled over and over, as did Hindu traditional accounts. The Hindu accounting puts Earth at ~2 billion years old.
- From the second to seventeenth century various biblical accountings were attempted. The most well known - Irish Bishop James Ussher in the 1650s using literal interpretation came up with a date of creation at 4004 B.C. or an Earth about 6009 years old.
7.6 How have scientists determined the age of Earth?