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Astronauts age more slowly than people on Earth. The difference isn't noticeable though — after spending six months on the ISS, astronauts age about 0.005 seconds less than the rest of us.
Put another way, the space ship sees the image change from a red-shift (slower aging of the image) to a blue-shift (faster aging of the image) at the midpoint of its trip (at the turnaround, 3 years after departure); the Earth sees the image of the ship change from red-shift to blue shift after 9 years (almost at the end of the period that the ...
It is still unknown whether bone recovers completely. Unlike people with osteoporosis, astronauts eventually regain their bone density. [citation needed] After a 3–4 month trip into space, it takes about 2–3 years to regain lost bone density. [citation needed] New techniques are being developed to help astronauts recover faster. Research on ...
It's a different kind of space age. Why astronauts age slower in space: Here’s how much younger stranded explorers will be when they return to Earth Skip to main content
Men and women have the same number of ribs: 24, or 12 pairs. The erroneous idea that women have one more rib than men may stem from the biblical creation story of Adam and Eve. [294] The use of cotton swabs (aka cotton buds or Q-Tips) in the ear canal has no associated medical benefits and poses definite medical risks. [295]
NASA recently proclaimed it will put the “first woman and next man” on the moon by 2024. Despite nearly 60 years of human spaceflight, women are still in the territory of “firsts.” The ...
Astronauts may not be able to quickly return to Earth or receive medical supplies, equipment, or personnel if a medical emergency occurs. The astronauts may have to rely for long periods on limited resources and medical advice from the ground. The possibility of blindness and of bone loss have been associated with human space flight. [64] [65]
The Apollo 12 astronauts had the same issue. SEE MORE SPACE WEEK COVERAGE: Buzz Aldrin: 'Earth isn't the only world for us anymore' 2) "But there's no crater at Lunar Module landing sites!