Question: Cosmon or Cosmonium is a hypothetical form of matter where the Universe would have been in a dense form of matter as a particle named Cosmon, the idea was originally proposed by Georges Lemaître, was a Belgian Catholic Priest, astronomer and professor of physics at the Catholic University of Leuven, in what year?
Sentence (from "Georges Lemaître"): He proposed the theory of the expansion of the universe, widely misattributed to Edwin Hubble.
Relevant evidence: No