Travelling 3.6 LY at $(3/4) c$, how much time passes for the traveler and how much time passes for the people in Alpha Centauri?
35597
How long would it take me to travel to a distant star?
59955
How to find distance travelled when the change in the force of gravity is not negligible?
44794
Sublight Starship "passed" by FTL
45953
How can I explain the scientific basis of the constant speed of light to a $c$-decay proponent?
92830
Calculating remaining time?
125156
Projectile/orbital motion over very long distance
16043
A simple pendulum moving at a relativistic speed - how does the period change?
125127
Does time move slower at the equator?
116671
How much light is there in space and how heavy is it?
4350
Rotate a long bar in space and get close to (or even beyond) the speed of light $c$
47242
Time dilation due to change in speed
26654
Relativistic time dilation on Mars compared to Earth?
148051
Time Dilation When In Orbit
70852
How exactly does time slow down near a black hole?
59077
Travel duration from Earth to a star at 9.8 m/s² acceleration
18257
How can interstellar space have a temperature of 2-3K?
57773
About the speed of light and gravity