Space travel mimics the effects of aging (bone weakening, sleep disruption, etc.), and NASA wants to know if a 77-year-old astronaut will suffer the same disabilities.
NASA has plans to put a number of elderly people in space.
mnli hypothesis: NASA has plans to put a number of elderly people in space. premise: Space travel mimics the effects of aging (bone weakening, sleep disruption, etc.), and NASA wants to know if a 77-year-old astronaut will suffer the same disabilities.