单词 | reflection nebula |
释义 | > as lemmasreflection nebula reflection nebula n. Astronomy a nebula which is visible only by virtue of the starlight which it reflects; cf. emission nebula n. at emission n. Compounds. ΘΚΠ the world > the universe > constellation > nebula > [noun] > planetary nebula dumb-bell nebula184. crab1868 planetary1903 reflection nebula1936 1936 Astrophysical Jrnl. 84 219 (heading) Reflection nebulae. 1974 Sci. Amer. Oct. 34/3 These reflection nebulas are useful for studying the properties of the interstellar dust grains. 2004 M. Inglis Astron. of Milky Way I. iv. 180 Comprising both an emission and a reflection nebula is NGC 1931. < as lemmas |
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