reflection nebula
n.
A nebula that reflects the light of a nearby star or stars toward Earth rather than emitting its own light.
reflection nebulaNGC 1977
| 单词 | reflection nebula |
| 释义 | reflection nebula n. A nebula that reflects the light of a nearby star or stars toward Earth rather than emitting its own light. reflection nebulaNGC 1977 |
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