The environment outside the earth or its atmosphere. The environment may refer to a closed cabin (such as a space shuttle or space station) or to space itself, the moon, or other planets.
The external elements and conditions which surround, influence, and affect the life and development of an organism or population.
The aggregate of social and cultural institutions, forms, patterns, and processes that influence the life of an individual or community.
The structuring of the environment to permit or promote specific patterns of behavior.
A state in which the environs of hospitals, laboratories, domestic and animal housing, work places, spacecraft, and other surroundings are under technological control with regard to air conditioning, heating, lighting, humidity, ventilation, and other ambient features. The concept includes control of atmospheric composition. (From Jane's Aerospace Dictionary, 3d ed)