The greenhouse-blanketed lush super-Earth is a tired trope, but a more rugged version with nigh-Martian highlands? Now we're cooking...

Read more at my #blog: https://www.adamasnemesis.com/2025/12/23/cascadia-below-mars-above/

This post's featured image is "The Bard" by John Martin.

#atmospheres #oxygen #greenhouseffect #climate #climatology #alienplanet #worldbuilding #scifi #sciencefiction #planets