Is the age of the universe different for different people located at different points in the Universe?
91403
Can you calculate unix timestamps (universal clock) from any planet?
112264
Cosmological constant doubts
91783
Explain the Birthday Paradox
80645
Time for two relativistic objects to meet
46510
Relativity and Galaxy Rotation Speed
64512
Who decides which half of the universe should be destroyed?
136281
Is the universe expanding, or is everything in it getting smaller?
53096
Is sun revolving around certain mass in space with reference to some other galaxy?
79708
Is the energy density of vacuum uniform in the whole universe?
127479
Is there any true inertial reference frame in the universe?
73729
Calculating the age of the Universe now and 30 billion years from now
44966
"people aged from 15 to 24" vs "people ages from 15 to 24": which is grammatically correct?
108569
Time dilation - why the observers see each other the slow one but then one of them is older or younger?
15538
If the Universe is expanding, how is that galaxies run into each other?
2983
Shape of the universe?
117108
Is the Universe being dragged into a singularity rather than expanding?
105171
Does time pass fastest in isolated, resting space?