Definition of cosmic dust in English:

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cosmic 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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