Definitions for "Interstellar dust"
Microscopic dust grains that populate the space between stars, having their origins in the ejected matter of long-dead stars.
dust among stars.
Tiny solid grains in interstellar space, thought to consist of a core of rock-like material (silicates) or graphite surrounded by a mantle of ices. Water, methane, and ammonia are probably the most abundant ices.
Solid clumps of particles (atoms, molecules, and/or ions) in the interstellar medium. They may have a charge due to some loss of electrons.
small particles which originate outside of our Solar System.
Small (micrometers in diameter) solid particles in the interstellar medium