Forum for posts and threads regarding Book Part 1, Topic Future of the Universe. You can read or respond to content on the level of Topic D and its subsequent Chapters.
Subjects may be: Future of our Universe, Expansion, Timeline, Heat Death, Ultimate Fate. And also: Future of Humanity, Overpopulation, Space Travel, Migration to Mars, Terraforming Planets, Space Colonization, Exobiology, Biodiversity and Ecosystems.