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The Earth has limited material and energy resources while these resources in space are virtually unlimited. Further development of humanity will require going beyond our planet and exploring of extraterrestrial resources and sources of unlimited power. Thus far, all missions to asteroids have been motivated by scientific exploration. However, given recent advancements in various space technologies, mining asteroids for resources is becoming ever more feasible. A significant portion of asteroids value is derived from their location; the required resources do not need to be lifted at a great expense from the surface of the Earth. Resources derived from Asteroid not only can be brought back to ...
From 1894/95-1935/36, pt.6 of each volume is issued separately, with titles, 1894/95-1902/03: Code list of merchant vessels of the United States; 1903/04-1935/36: Seagoing vessels of the United States.