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  2. Here's why astronauts age slower than the rest of us here on ...

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    Astronauts aboard the ISS, on the other hand, are much farther from Earth's center of gravity than the rest of us — about 260 miles farther. So, in that case, astronauts actually age slower .

  3. Effect of spaceflight on the human body - Wikipedia

    en.wikipedia.org/wiki/Effect_of_spaceflight_on...

    Water cohesion plays a bigger role in microgravity than on Earth In space, astronauts lose fluid volume—including up to 22% of their blood volume. [ 81 ] When the astronauts return to Earth, low blood volume can cause orthostatic intolerance or dizziness when standing. [ 82 ]

  4. Physiological effects in space - Wikipedia

    en.wikipedia.org/wiki/Physiological_effects_in_space

    The major objective of the Apollo Program was the landing of astronauts on the lunar surface and their subsequent safe return to Earth. The Apollo (1968–1973) biomedical results were collected from 11 crewed missions that were completed within the five-year span of the Apollo Program, from pre-lunar flights (missions 7 through 10); the first ...

  5. Twin paradox - Wikipedia

    en.wikipedia.org/wiki/Twin_paradox

    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 ...

  6. Do the Astronauts Stuck in Space Have Enough Food and Water ...

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    On Wednesday, Aug. 7, the agency held a news conference giving an update on the two astronauts who have been in outer space for 63 days — approximately seven weeks longer than expected ...

  7. Human tissue launches in space for the first time - AOL

    www.aol.com/news/human-tissue-launches-space...

    "This is similar to what elderly people suffer on earth after a long period," Dr Alsaleh said. If the samples age more quickly in space, scientists will learn more about the process far faster ...

  8. The Mir sample involved 13 astronauts and cosmonauts and 58 American and Russian mission control personnel. The corresponding numbers in the ISS study were 17 space travelers and 128 people on Earth. Subjects completed a weekly questionnaire that included items from a number of valid and reliable measures that assessed mood and group dynamics.

  9. The trio revealed some anecdotes about the trials of readjusting to life on Earth after spending more than 230 days in space. The astronauts remained tight-lipped about the nature of the medical ...