Astronomy. Originally: an indistinct cloud-like, luminous object seen in the night sky, such as a cluster of distant stars, a galaxy, or a cloud of…
| 单词 | θ1224 |
| 释义 | the world > the universe > constellation > nebula > [noun] (16) nebula1718 Astronomy. Originally: an indistinct cloud-like, luminous object seen in the night sky, such as a cluster of distant stars, a galaxy, or a cloud of… nubecula1719 Astronomy. An object having the appearance of a small cloudy or hazy area in the night sky. Cf. nebula, n. 2b. Obsolete. nebule1830 A nebula (nebula, n. 2). Chiefly figurative. spiral1850 Astronomy. A spiral nebula. Subcategories:— nucleus (1) — luminous wisp (1) — dark nebula (3) — nebula which shines with own light (1) — planetary nebula (4) — state (2) |
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