Habitability factor · Planetary Habitability
Extremophiles
Earth organisms that thrive in extremes — searing vents, acid, salt, cold, and intense radiation — that once seemed impossible for life. They vastly widen where life might survive, and are the closest analogs for what an ocean-world biosphere might be.
Highlights
- ›Life on Earth thrives in conditions once thought lethal
Worlds, missions & methods
Knowledge connections
- Member of groupPlanetary Habitability
- Associated withEuropa
- Associated withGalactic Cosmic Rays (GCR)
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.