[1.3] Hypothetical Worlds: will add planets to the Kerbol system that represent some objects scientist think (or used to think) might exist.
This mod is compatible with OPM!
Red: Basic idea, not started
Orange: Buggy and/or just started
Yellow: Prototype finished
Light Green: Almost done (description/science defs)
Green: Completely finished
unnamed: lava planet close to the sun half the size of kerbin