The GM's Planet-Building Handbook

2012 · Supplement (regels/opties om de speelsessie te verbeteren)

The GM's Planet-Building Handbook

A sci-fi roleplaying reference for designing realistic, habitable planets. It covers host stars, orbits, planetary size, axial tilt, moons, rotation, magnetospheres, geological activity, atmospheres, hydrospheres, and climates, along with guidance for creating accurate maps. Scientific principles are distilled into accessible charts and tables for use in developing settings, alien worlds, and human- or human-like habitats.

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