space dust

Interstellar microscopic debris

Space dust is the fine particulate matter drifting through outer space—microscopic grains of rock, metal, and ice from comets, asteroids, and dead stars.

Tons of it settle on Earth daily.

The term sometimes appears in drug slang for PCP or other powdered substances, and in candy marketing for fizzy popping granules.

cosmic

stardust

Interstellar particulate matter

celestial · cosmic rays · star formation · supernova · accretion · stellar wind · solar system · interplanetary · astrophysics · telescope

particulate

grains

Small hard seeds

nanoparticles · micrometeorites · regolith · minerals · amorphous · crystals · organic compounds · presolar grains · IDPs

meteoric

shooting stars

Visible meteors entering atmosphere

fireballs · bolides · Perseids · Geminids · airburst · cratering · micrometeorites · skywatching · streaks · ablation

cometary

tail

Rear animal appendage

  • comaUnwakeable unconsciousness
  • nucleusCentral controlling part
  • icyFrozen or unfriendly

Halley · ejecta · sublimation · outgassing · Rosetta · dirty snowball · perihelion · solar wind · trans-Neptunian · debris trail

Categories
Opposites
size/scale of cosmic objects

space duststar

Luminous astronomical object

planet · sun · galaxy · black hole · gas giant

location/origin

space dustsoil

Ground matter for planting

dirt · sand · sediment

tangibility/substantiality

space dustsolid rock

Continuous, hard stone

bedrock · monolith

Family

space, dust, spaceship, spaced, spaces, spacing, spacecraft, cyberspace, spaceman

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G