Tag: Cosmic expansion

• The Edge and the Age of the Universe: Where 13.8 Billion Years and 46.5 Billion Light-Years Come FromHow the reciprocal of the Hubble constant yields 13.8 billion years, why the observable universe reaches 46.5 billion light-years, and whether space itself has an edge.PhysicsCosmologyHigh school / generalCosmic expansionHubble constantAge of the universeEvent horizonObservable universe~28 min