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Re:Earth-like planet spotted orbiting Sun’s closest star by _Microft on Friday February 11, 2022 @09:40AM (#30301984)
The effect is called time dilation. The section of interest here is „Time dilation caused by a relative velocity“:

https://en.m.wikipedia.org/wiki/Time_dilation

Re:Earth-like planet spotted orbiting Sun’s closest star by jsjohnst on Friday February 11, 2022 @09:42AM (#30302006)
I’m aware of time dilation, my point was that a “week vacation” to something “over 4 light years” away is just hyperbolic.