cosmic dust

US /ˈkɑz.mɪk dʌst/
UK /ˈkɑz.mɪk dʌst/
"cosmic dust" picture
1.

dust that exists in outer space, composed of tiny particles of rock, metal, and ice

:
The telescope captured images of distant galaxies shrouded in cosmic dust.
Scientists study cosmic dust to understand the formation of stars and planets.