query: If the universe is infinite, then how can we tell it's expanding?
positive_passages.docid: 24445
positive_passages.text: How can an infinite universe expand?
negative_passages.docid: 112910
negative_passages.text: Is the set of real numbers really uncountably infinite?
negative_passages.docid: 51042
negative_passages.text: How is it possible to come to a conclusion that Universe is a result of the Big Bang while we aren't able to observe the entire Universe?
negative_passages.docid: 76670
negative_passages.text: Are We Living in a Simulated Universe?
negative_passages.docid: 50876
negative_passages.text: Is space expanding equally in every direction?
negative_passages.docid: 65566
negative_passages.text: Estimating age of the universe by Hubble's law?
negative_passages.docid: 2377
negative_passages.text: Is the total energy of the universe zero?
negative_passages.docid: 144945
negative_passages.text: What is the evidence for Inflation of the early universe?
negative_passages.docid: 41262
negative_passages.text: Does the concept of infinity have any practical applications?
negative_passages.docid: 21084
negative_passages.text: Size of the universe
negative_passages.docid: 102370
negative_passages.text: At what speed does our universe expand?
negative_passages.docid: 16647
negative_passages.text: Is the world $C^\infty$?
negative_passages.docid: 98769
negative_passages.text: Find a universe and a predicate that satisfy the following formula
negative_passages.docid: 65473
negative_passages.text: How can something finite become infinite?
negative_passages.docid: 117108
negative_passages.text: Is the Universe being dragged into a singularity rather than expanding?
negative_passages.docid: 50584
negative_passages.text: Parallel universes: are there an infinite amount of universes?
negative_passages.docid: 24003
negative_passages.text: Is the universe fundamentally deterministic?