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Space colonization ... (6178) 1986 DA, both small near-Earth asteroids, may yield 30 times as much metal as humans have mined throughout history.
A Stanford torus interior (cutaway view) Interior view of a large scale O'Neill cylinder, showing alternating land and window stripes. A space settlement (also called a space habitat, spacestead, space city or space colony) is a settlement in outer space, sustaining more extensively habitation facilities in space than a general space station or spacecraft.
The isolation of space and difficulty sleeping in the environment also contribute to psychological impacts. The difficulty of speaking with those on Earth can contribute to loneliness, anxiety, and depression. [34] A Russian study simulated the psychological impacts of extended space travel.
The High Frontier: Human Colonies in Space is a 1976 book by Gerard K. O'Neill, a road map for what the United States might do in outer space after the Apollo program, the drive to place a human on the Moon and beyond. It envisions large human occupied habitats in the Earth-Moon system, especially near stable Lagrangian points.
Humans that leave the familiarity of Earth could morph into a separate species. "These people will become an offshoot of the human tree," Impey said in the interview. "They will probably evolve ...
Mining the Sky: Untold Riches from the Asteroids, Comets, and Planets, is a 1997 book by University of Arizona Planetary Sciences professor emeritus John S. Lewis that describes possible routes for accessing extraterrestrial resources, either for use on Earth or for enabling space colonization. [1]
Earth and the Moon viewed from Mars's orbit. Space and survival is the idea that the long-term survival of the human species and technological civilization requires the building of a spacefaring civilization that utilizes the resources of outer space, [1] and that not doing this might lead to human extinction.
The first near-Earth comet visited by a space probe was 21P/Giacobini–Zinner in 1985, when the NASA/ESA probe International Cometary Explorer (ICE) passed through its coma. In March 1986, ICE, along with Soviet probes Vega 1 and Vega 2, ISAS probes Sakigake and Suisei and ESA probe Giotto flew by the nucleus of Halley's Comet.