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Interstellar medium
/ˌɪntəstˈɛlə mˈiːdiəm/
/ˌɪntɚstˈɛlɚ mˈiːdiəm/Interstellar medium
01
the matter and radiation that exists in the space between stars within a galaxy
interstellar medium
n
Example
The interstellar medium is made up of gas, dust, and cosmic rays.
Astronomers study the interstellar medium to understand cosmic evolution.
Space probes collect data on the composition of the interstellar medium.
Cosmic rays interact with the interstellar medium, producing radiation.
The interstellar medium is filled with cosmic dust, which absorbs and scatters starlight, affecting our observations of distant objects in space.
