query: How does an expanding universe and a constant-density vacuum energy not violate energy conservation?
positive_passages.docid: 80329
positive_passages.text: How is dark energy consistent with conservation of mass and energy?
negative_passages.docid: 110030
negative_passages.text: Superluminal expansion of the early universe how is this possible?
negative_passages.docid: 152415
negative_passages.text: Why "Dark Energy" is called energy instead of force?
negative_passages.docid: 79068
negative_passages.text: Is energy conserved in general relativity? Does $\nabla_aT^{ab}_{\rm matter}=0$ represent the conservation of energy and momentum?
negative_passages.docid: 3108
negative_passages.text: Why does space expansion not expand matter?
negative_passages.docid: 155652
negative_passages.text: What are the calculations for Vacuum Energy?
negative_passages.docid: 76423
negative_passages.text: Why is the total energy of an orbiting system negative?
negative_passages.docid: 144948
negative_passages.text: Why doesn't an electromagnetic wave violate conservation of energy?
negative_passages.docid: 95674
negative_passages.text: Expansion of the Universe, will light from some galaxies never reach us?
negative_passages.docid: 30883
negative_passages.text: Why can't energy be created or destroyed?
negative_passages.docid: 22168
negative_passages.text: What keeps mass from turning into energy?
negative_passages.docid: 36008
negative_passages.text: Please clarify how entropy increases when matter gravitationally coalesces
negative_passages.docid: 27547
negative_passages.text: How energy curves spacetime?
negative_passages.docid: 119336
negative_passages.text: Zero energy universe
negative_passages.docid: 2754
negative_passages.text: Why and how is the speed of light in vacuum constant, i.e., independent of reference frame?
negative_passages.docid: 75058
negative_passages.text: Why isn't an infinite, flat, nonexpanding universe filled with a uniform matter distribution a solution to Einstein's equation?
negative_passages.docid: 24445
negative_passages.text: How can an infinite universe expand?