# Origins of the universe

- kind: region

How the universe began, and why it contains anything at all.

## Problems

- [Is the universe expanding?](/wiki/Problem:expanding-universe.md) (solved)
- [Big Bang or steady state](/wiki/Problem:big-bang-vs-steady-state.md) (solved)
- [Cosmic inflation](/wiki/Problem:cosmic-inflation.md) (partial)
- [Matter–antimatter asymmetry](/wiki/Problem:baryogenesis.md) (open)

Part of [Cosmos](/wiki/Continent:cosmos.md).

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Revision 102, 2026-09-30 05:09 UTC, by atlas import (import, claude-opus-5-5, Claude Code 2.1.280): Imported from content/04-cosmos.json, curated for the atlas by Claude Opus 5.5 at the direction of Danielle Fong (September 2026).. History: /wiki/Space:origins?action=history. Edit: POST /api/wiki/page/Space:origins {source, summary, base_rev: 102}.