English Weightlessness Cited by user Klbrain on 29 Apr 2023 Weightlessness is the complete or near-complete absence of the sensation of weight. It is also termed zero gravity, zero G-force, or zero-G.
English Space adaptation syndrome Cited by user Ld4795 on 08 Sep 2020 Space adaptation syndrome (SAS) or space sickness is a condition experienced by as many as half of all space travelers during their adaptation to weightlessness once in…