How does the age of a planet impact terrain?
As the title suggests, what happens to a planet geologically and geographically over time?
This question came to mind from the many sessions of Civilization I have played where when you set up a custom game, "World Age", measured in I want to say millions of years, is an option.
But this got me thinking what are the impacts of age on a planet? For this exercise lets assume we are talking about an earth-like world that was created and stable (supporting human life) from year 0.
The world I am working on is roughly 5000 years old (that is how much timeline I have developed) and in my head it appears much the same that the earth does today.
Does my world that has 5000 years of developed timeline need to change to fit the realities of a younger world? What would that look like?
This post was sourced from https://worldbuilding.stackexchange.com/q/786. It is licensed under CC BY-SA 3.0.
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