How can a quasar be 29 billion light-years away from Earth if Big Bang happened only 13.8 billion years ago?
5930
Why is the observable universe so big?
152130
Maximum size of the observable universe?
2073
Conservation law of energy and Big Bang?
60364
Universe Expansion as an absolute time reference
64715
How is it possible that we see light from shortly after the big bang?
92343
Does cosmological time expand like space does?
19850
Why is the speed of light defined as 299792458 m/s?
36619
Effect of space time relativity on the age of the universe?
58042
Redshifting of Light and the expansion of the universe
4942
What is the relationship between Cosmic Time and Scale Factor (or Redshift)?
112264
Cosmological constant doubts
23929
How much extra distance to an event horizon?
45057
How far away must a galaxy be for its light never to reach us due to the expansion of the universe?
81495
Does the universe have a different age to different observers?
154914
What will I see if I travelled to a distant planet in 100 times faster than speed of light and look back?
61618
Could the missing antimatter lie outside the observable universe?
154529
Redshift and conformal time