Example image of eyePlorer eyePlorer map for 'Human adaptation to spaceflight': Human spaceflight Outer space Earth Gravitational well Spacecraft propulsion Space exploration Space manufacturing Space colonization Mars Science fiction Star Trek Television 2001: A Space Odyssey Arthur C. Clarke Consciousness Hypoxia (medical) Blood Vapor pressure Ebullism Flight suit Space Shuttle program Robert Boyle Dachau concentration camp Nazi human experimentation Nazism NASA Soyuz 11 Altitude sickness Space suit Air embolism Decompression sickness Evaporation Decompression Lung Pulmonary alveolus Eardrum Barotrauma Scuba diving Radiation Ultraviolet Micro-g environment Ear Otolith Motion sickness Blood plasma Orthostatic intolerance Bone Muscle Skeletal muscle Spaceflight osteopenia