What is the minimum time required to travel 1 light-year from Earth and turn back?
35597
How long would it take me to travel to a distant star?
106863
Special relativity and imaginary coefficient of the time coordinate
102908
Explaining to an 8-year-old why nothing can travel faster than light
153901
How does time travel take into account the rotation/revolution of the Earth?
158133
Is the orbit in Schwarzshild metric a path with maximal proper time?
59955
How to find distance travelled when the change in the force of gravity is not negligible?
22633
How close does light have to be, to orbit a perfect sphere the size and mass of Earth?
50415
Value of the Hubble parameter over time
35037
Short story where time is accelerated and characters have to get back to ship?
121904
Regarding the possibility of Closed Timelike Curves
61714
Can One-Way Speed of Light be Instantaneous?
141546
Time and distance in a photon's frame of reference
57667
Escape velocity from Earth
76819
How does "warp drive" not violate Special Relativity causality constraints?
9016
How can time dilation be symmetric?
86791
Time Dilation inside a hollow shell
69670
Time traveller destroys the universe by going fifteen minutes back