| 单词 | Coma cluster |
| 释义 | Coma cluster [`kō·mǝ ´klǝs·tǝr] ASTRONOMY 1. A group of over 1000 bright galaxies having a recession velocity of about 4300 miles (6900 kilometers) per second. 2. An open cluster of about 100 stars at a distance of about 80 parsecs (1.6×1015 miles or 2.6 × 1015 kilometers). |
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