Cosmic Dust
Synonyms
Cosmic Dusts
Dust, Cosmic
Dust, Interplanetary
Dust, Interstellar
Dusts, Cosmic
Dusts, Interplanetary
Dusts, Interstellar
Interplanetary Dust
Interplanetary Dusts
Interstellar Dust
Interstellar Dusts
Finely divided solid matter with particle sizes smaller than a micrometeorite, thus with diameters much smaller than a millimeter, moving in interplanetary space. (NASA Thesaurus, 1994)