| 单词 |
ionization front |
| 释义 |
ionization front ionization front See Strömgren sphere.ionization front[‚ī·ə·nə′zā·shən ‚frənt] (astronomy) A transition region that separates interstellar gas in which a given atomic species (usually hydrogen) is mostly ionized from interstellar gas in which it is mostly neutral. |
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