Betalis III, or Bethalmae as it is known in the Eldar Lexicon, is designated as both an Ice World and a Mining World of the Imperium of Man. It is located in the binary Betalis System of the Talis Munus Sector of the Segmentum Solar, being one of the two inhabitable planets orbiting the twin Betalis stars. The primary star of the binary system is a massive blue giant, at least twenty times larger than Sol and a million times more luminous. This star expels enormous amounts of stellar matter into the void surrounding it, which renders all but the outermost worlds unsuitable for human settlement due to the high levels of ionising radiation they are afflicted with. This ejection of stellar matter is also the reason that a miniature local nebula -- known as the Karina Nebula -- is present in t