Synonyms and related words :
aerospace medicine, aerospace research, aerospace science, aerospace technology, astronautics, bioastronautics, campaign, circuit, course, escape velocity, excursion, expedition, interplanetary travel, jaunt, journey, junket, outing, package tour, peregrination, pilgrimage, pleasure trip, progress, rocketry, round trip, rubberneck tour, run, safari, sally, science fiction, shoot, space flight, space medicine, space travel, space walk, stalk, step flight, tour, trek, trip, trip to Mars, turn, voyage