What is the highest possible mountain on an Earth-like world?
My friend is writing a book, and I volunteered to create a planet for him, one with an epic mountain extending far above the clouds.
The planet features lush jungles in the lower elevations and enormous towering mountains.
If possible, I would like to have a mountain so high it extends well into a typical stratosphere, and possibly even higher. Maybe we can even see the stars in the middle of the day.
Mars has Olympus Mons, at roughly ~ 77,000ft. But Mars may be too small to support life as we know it.
I am aware that there is a planet mass/mountain height correlation.
This brings me to my question:
What is the highest realistic mountain that I can make on a world that can sustain a breathable atmosphere and lush biosphere?
You may choose the mass and density of the planet as long as it is mentioned, and it can reasonably support life.
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