释义 |
plasma tail
plasma tailn. See ion tail.
plasma tail
plasma tail () See comet tails.plasma tail[′plaz·mə ′tāl] (astronomy) A comet tail that is composed primarily of electrons and molecular ions, the dominant visible ion being positively ionized carbon monoxide, and that is generally straight, with a length in the range from 0.62 × 107 to 0.62 × 108 miles (1 × 107 to 1 × 108 kilometers). MedicalSeeCOMETThesaurusSeecomet |