Difference between revisions of "Cosmic Dust"
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Cosmic Dust
Finely divided solid matter with particle sizes smaller than a micrometeorite,
thus with diameters much smaller than a millimeter, moving in interplanetary
space. See dust.
Cosmic dust in the solar system is thought to be concentrated in the
plane of the ecliptic, thus causing the zodiacal
light.
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
