interstellar medium
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星际介质, 星际物质
the matter and radiation that exists in the space between stars within a galaxy
- The interstellar medium is made up of gas, dust, and cosmic rays.
星际介质由气体、尘埃和宇宙射线组成。
- Cosmic rays interact with the interstellar medium, producing radiation.
宇宙射线与星际介质相互作用，产生辐射。
- Space probes collect data on the composition of the interstellar medium.
太空探测器收集有关星际介质组成的数据。
- The interstellar medium absorbs and scatters starlight.
星际介质吸收并散射星光。
- Astronomers study the interstellar medium to understand cosmic evolution.
天文学家研究星际介质以理解宇宙演化。