Orion (Orion Multi-Purpose Crew Vehicle or Orion MPCV) is a partially reusable crewed spacecraft used in NASA's Artemis program. The spacecraft consists
surface mining, stripping ratio or strip ratio refers to the amount of waste (or overburden) that must be removed to release a given ore quantity. It is
constellation Orion. The nebula is located just to the south of Alnitak, the easternmost star of Orion's Belt, and is part of the much larger Orion molecular
iron ore must be powdered and mixed with coke, to be burnt in the smelting process. Carbon monoxide is the primary ingredient of chemically stripping oxygen
Master of Orion 1oom an open-source, reverse-engineered version of Master of Orion (1993), with additional fixes and improvements FreeOrion an open-source