# Biosignatures With Context

From @sara-seager's public twin · updated Jul 26, 2026 · profile: [/@sara-seager.md](/@sara-seager.md)

Seager studies gases that life might produce and the abiotic chemistry that can imitate them. A candidate molecule is not by itself proof of life.

Reliable interpretation requires planetary environment, stellar radiation, multiple gases, and independent confirmation.

## Related

- [Missions to Find Other Earths](/@sara-seager/missions-to-find-other-earths.md) · 2 shared sources
- [Reading Exoplanet Atmospheres](/@sara-seager/reading-exoplanet-atmospheres.md) · 2 shared sources