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  2. Twin paradox - Wikipedia

    en.wikipedia.org/wiki/Twin_paradox

    The clock of the staying twin shows "1 year after launch" in the screen of the ship, and during the 3 years of the trip back it increases up to "10 years after launch", so the clock in the screen seems to be advancing 3 times faster than usual. When the source is moving towards the observer, the observed frequency is higher ("blue-shifted") and ...

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

    www.aol.com/heres-why-astronauts-age-slower...

    Time can appear to move faster or slower to us relative to others in a different part of space-time. That means astronauts on the International Space Station age slower than people on Earth.

  4. Time dilation - Wikipedia

    en.wikipedia.org/wiki/Time_dilation

    Gravitational time dilation is at play e.g. for ISS astronauts. While the astronauts' relative velocity slows down their time, the reduced gravitational influence at their location speeds it up, although to a lesser degree. Also, a climber's time is theoretically passing slightly faster at the top of a mountain compared to people at sea level.

  5. Experimental testing of time dilation - Wikipedia

    en.wikipedia.org/wiki/Experimental_testing_of...

    As it is moving in S, we have γ>1, therefore its proper time is shorter with respect to time T. (For comparison's sake, another muon at rest on Earth can be considered, called muon-S. Therefore, its decay time in S is shorter than that of muon-S′, while it is longer in S′.) In S, muon-S′ has a longer decay time than muon-S.

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

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

    If the samples age more quickly in space, scientists will learn more about the process far faster than they would if studying samples on Earth. It is hoped that will lead to new treatments for age ...

  7. Space adaptation syndrome - Wikipedia

    en.wikipedia.org/wiki/Space_adaptation_syndrome

    Space adaptation syndrome or space sickness is a kind of motion sickness that can occur when one's surroundings visually appear to be in motion, but without a corresponding sense of bodily motion. This incongruous condition can occur during space travel when changes in g-forces compromise one's spatial orientation . [ 5 ]

  8. Locomotion in space - Wikipedia

    en.wikipedia.org/wiki/Locomotion_in_space

    The environmental conditions in space are harsh and require extensive equipment for survival and completion of daily activities. [2] There are many environmental factors to consider both inside and outside of a spacecraft that astronauts work in. [2] These factors include but are not limited to movement during weightlessness, general equipment necessary to travel to the desired destination in ...

  9. Rock collected by Apollo 17 astronaut in 1972 reveals moon's age

    www.aol.com/news/rock-collected-apollo-17...

    During the Apollo 17 mission in 1972 - the last time people walked on the moon - U.S. astronauts Harrison Schmitt and Eugene Cernan collected about 243 pounds (110.4 kg) of soil and rock samples ...