Canadian Medical Guide > Biological Sciences > Environment and Public Health > Environment > Extraterrestrial Environment > Cosmic Dust Terms and Definitions
Cosmic Dust
| Medical Definition: | Finely divided solid matter with particle sizes smaller than a micrometeorite, thus with diameters much smaller than a millimeter, moving in interplanetary space. (NASA Thesaurus, 1994) |
Cosmic Dust Medical Definitions and Terms
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