universe: 8.8×1026 m (28.5 Gpc or 93 Gly)[4]ස්කන්ධය (ordinary matter)අවම වශයෙන් 1053 kg[5]Average density (with energy)9.9×10−27 kg/m3[6]Average temperature2.72548 K (−270.4 °C, −454.8 °F)[7]Main contentsOrdinary (baryonic) matter (4.9%)Dark matter (26.8%)Dark energy (68.3%)[8]හැඩයFlat with 4‰ error margin[9]මෙම ලිපියPhysical cosmologyපිළිබඳ ලිපිමාලාවක කොටසකිමහා පිපිරුම • විශ්වයAge of the universeChronology of the universeEarly universeInflation • NucleosynthesisBackgroundsGravitational wave (GWB)Microwave (CMB) • Neutrino (CNB)Expansion • FutureHubble's law • RedshiftMetric expansion of spaceFLRW metric • Friedmann equationsInhomogeneous cosmologyFuture of an expanding universeUltimate fate of the universeComponents • StructureComponentsLambda-CDM modelDark energy • Dark fluid • Dark matterStructureShape of the universeGalaxy filament • Galaxy formationLarge quasar groupLarge-scale structureReionization • Structure formationExperimentsBlack Hole Init