College Physics ›› 2020, Vol. 39 ›› Issue (05): 16-19.doi: 10.16854 /j.cnki.1000-0712.190225

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Twin paradox and interstellar travel

QIN Li,LIN Ran-xi,GAN Xiao-long,ZHU Hu   

  1. School of Physics,Zhengzhou University,Zhengzhou,Henan 450001,China
  • Received:2019-05-20 Revised:2019-09-20 Online:2020-05-20 Published:2020-05-17

Abstract: The time discrepancy associated with the“Twin Paradox”in two hypothetical interstellar travel programs, is calculated. This result reflects an absolute difference about the time experienced between inertial and noninertial reference frames,rather than a " relative" effect correlating the two references.

Key words: special theory of relativity, twin paradox, proper time, non-inertial motion