Project EOS
A wide-field thermal-imaging observatory that scans exoplanet atmospheres for biosignatures and habitability indicators.
Reference Specification
- Mission class
- Space telescope / observatory
- Primary target
- Nearby exoplanet systems
- Observation band
- Thermal infrared
- Aperture class
- Mid-size deployable (concept)
- Survey mode
- Wide-field, time-domain
- Biosignature tracers
- Ozone, methane, CO2, water vapor
- Orbit
- Halo or L2 (concept)
- Status
- Concept development
- Partnership model
- Open science data products
Figures are concept-level targets from an ongoing study, not flight hardware performance.
What makes the mission different
Thermal signatures of life
Project EOS is designed to look for the indirect heat and chemistry of life. A planet's atmosphere can reveal more than its surface: oxygen with methane, water vapor in a temperate zone, and ozone all point to processes that may be biological. EOS would measure these signatures across many worlds at once.
Wide-field, not one-by-one
Most exoplanet spectroscopy targets a single star system. EOS uses a wider field of view to monitor hundreds of candidate atmospheres during each observing season. That statistical approach improves the chance of finding a biosignature candidate worth follow-up.
Habitability, not just life
Even a null result is useful. EOS would map which planets lack the expected chemistry, which atmospheres are too hostile, and which fall into the habitable envelope. The dataset becomes a catalog for future missions and for Explural's long-term target-selection work.
Open data pipeline
Explural intends to publish calibrated light curves and atmospheric retrievals under an open science model. The faster the broader community can reproduce a result, the faster a biosignature candidate becomes a credible scientific target.
Where it fits
Project EOS is the science scout in Explural's broader presence strategy. Before resources, infrastructure, or crew can justify a long voyage, we need a target list: which worlds are worth reaching, and what questions we should answer first. EOS is that first question.