any of the sciences involved in space travel or the exploration of space, as space medicine.
noun 1. spacecraft. noun 1. a manned spacecraft
noun 1. a launch of a space vehicle beyond the earth’s atmosphere.
noun, (often initial capital letters) 1. any of several U.S. space vehicles consisting of a reusable manned orbiter that touches down on a landing strip after an orbital mission, two reusable solid rocket boosters that drop off after initial ascent, and an expendable external tank containing liquid propellants. space shuttle noun 1. any of a […]
noun, Pathology. 1. a complex of symptoms including nausea, lethargy, headache, and sweating, occurring among astronauts under conditions of weightlessness. space sickness noun 1. the nausea that people can experience in the gravity-free environment of space space sickness n. Motion sickness caused by sustained weightlessness during space flight, usually accompanied by disturbance of the inner […]