Sveg21@sveg21


What do you think is the estimated age of our planet?
4.54 billion years based on radiometric dating of rocks and meteorites.
6,000 years based on biblical genealogies (e.g., James Ussher).
It has no beginning or end, proposed by ancient philosophies
75,000 years by Georges Buffon based on cooling rates of iron spheres. Later revised to 3.2 million years.
20-40 million years by Lord Kelvin based on the Earth's cooling rate.
2,543 520 7 34 0
