Is energy conserved during the expansion of the universe?
68284
Is the law of conservation of energy still valid?
2073
Conservation law of energy and Big Bang?
10377
Is redshift the only way by which we can tell that space is expanding?
3103
How do we know the universe is expanding, and not that its contents are shrinking?
22934
Validity of work-energy theorem in presence of non-conservative forces?
79614
Many-worlds: Where does the energy come from?
141320
Particle energy in general relativity?
79708
Is the energy density of vacuum uniform in the whole universe?
29728
Does the vacuum in QFT have nonzero energy or not?
110021
extracting energy from cosmological expansion
44040
Is energy really conserved?
95674
Expansion of the Universe, will light from some galaxies never reach us?
43998
Immediately after the Big Bang, was the universe in a state of extremely low or extremely high entropy?
63346
How can the universe expand if there is gravitation?
102370
At what speed does our universe expand?
110030
Superluminal expansion of the early universe how is this possible?
85665
Schwarzschild metric in expanding Universe