Why wonder about this? you ask.
Well, because It makes a big difference which view you believe.
Indeed, your entire worldview will be based on the foundation of what you believe about this.
So, perhaps it would be instructive to see just when the ‘old earth’ view developed and why.
There are several books which discuss this.
I am reading one of those books now. But it is hundreds of pages long and you might not have time for that.
Instead, this article, which is a single chapter in the excellent book, The New Answers Book - Book 2, is an excellent summary of where the idea of ‘millions of years’ and evolution came from. HERE'S THE LINK
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