Meaning of interstellar medium | Babel Free
Definitions
The matter that exists in the space between star systems in a galaxy, including gas, dust, and cosmic rays.
Equivalents
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See also
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