Skip to content
AsteriaStar
Interstellar environment

Interstellar Dust

The tiny grains of silicate and carbon — often coated in mantles of ice — that pervade the interstellar medium. They redden and dim starlight, radiate in the infrared, and, crucially, provide the surfaces on which many molecules are built.

Across astrochemistry

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.