Definition of cosmic dust in English:

cosmic dust

Line breaks: cos¦mic dust

noun

[mass noun]
  • Small particles of matter distributed throughout space: glowing clouds of dense cosmic dust
    More example sentences
    • There are many other potential sources of natural resources in the solar system, including cosmic dust, solar wind, and the atmospheres of gas giant planets.
    • However, using Ulysses, they have now shown that, when the Sun's magnetic axis points near its equator, it allows much more cosmic dust to enter the Solar System than normal.
    • The cosmic dust detector recorded two micrometeoroid showers in September and December.

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