# matter-dominated era

> period between about 47 thousand years and 9.8 billion years after the Big Bang, during which the energy density of matter exceeded both the energy density of radiation and the vacuum energy density

**Wikidata**: [Q6789725](https://www.wikidata.org/wiki/Q6789725)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Matter-dominated_era)  
**Source**: https://4ort.xyz/entity/matter-dominated-era