单词 | Monoceros Loop |
释义 | Monoceros Loop [mǝ`näs·ǝ·rǝs `lüp] ASTRONOMY A filamentary loop nebula about 1000 parsecs (2 × 1016 miles or 3 × 1016 kilometers) distant, which is the remnant of a supernova that took place 50,000-100,000 years ago. |
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