| 单词 | gum nebula |
| 释义 | Gum Nebulanounastronomy a large, almost circular, emission nebula in the constellation Vela and Puppis. Thought to be the remains of a supernova explosion 1 million years ago, it is estimated to lie 1300 light years away Word Origin for Gum NebulaC20: discovered by C. S. Gum (1924–60), Australian astronomer Words nearby Gum Nebulagummosis, gummous, gummy, gum myrtle, gummy shark, Gum Nebula, gum nut, gump, gum plant, gum print, gumption Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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