One of the sites in the prior post says 25 billion for the age of the universe..........

4.543 billion years

Earth, Age

Age of the Earth - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Age_of_the_Earth

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Rocks returned from the Moon have been dated at a maximum of around 4.4 and 4.5 billion years old. Martian meteorites that have landed upon Earth have also been dated to around 4.5 billion years old by lead-lead dating.

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