Skip to content
AsteriaStar
Biosignature · Biosignature Science

Surface Biosignature

Signs of life on a surface — pigments, the 'red edge' reflectance of vegetation, or patterns and textures a biosphere leaves behind — sought both on exoplanets and on the surface of Mars.

Knowledge connections

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.