> [!infobox] <s class="aside-in"><em>mentioned in 3 topics</em></s> #### <s class="topic-title">[[Planck epoch]]</s> > [!wikipedia] [Planck epoch](https://en.wikipedia.org/wiki/Chronology%20of%20the%20universe) > > The chronology of the [[universe]] describes the history and future of the universe according to [[Big Bang cosmology]]. > > The earliest stages of the universe's existence are estimated as taking place 13.8 billion years ago, with an uncertainty of around 21 million years at the 68% confidence level. > **See**:: [[the Big Bang]], [[inflation theory]] #### Related No results to show for list query.