| 单词 | Draco system |
| 释义 | Draco system [`drā·kō ´sis·tǝm] ASTRONOMY A dwarf elliptical galaxy in the Local Group about 330,000 light-years (1.9 × 1018 miles or 3.1 × 1018 kilometers) distant having a diameter of about 4500 light-years (2.6 × 1016 miles or 4.3 × 1016 kilometers) and consisting chiefly of older stars. |
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