Part 9/10:
Furthermore, for civilizations that exist on expansive timelines, Birch Planets may represent a practical necessity. Such constructs could mitigate social and cultural divergences by housing entire civilizations under shared environments, keeping communication and societal structures intact despite vast distances.
Conclusion
The concept of building Mega-Earths and related schemes like Birch Planets illustrates humanity’s aspiration to establish presence beyond Earth. Each proposed structure, whether it be a sophisticated shell world or an elaborate artificial planet, faces distinct challenges but also promises limitless possibilities for the future of human habitation in space.