Astronomy. The point or small region of the sky from which the meteors in a meteor shower appear to diverge; a radiant point.
| 单词 | θ1195 |
| 释义 | the world > the universe > constellation > comet or meteor > meteor > [noun] > shower > focal point of (2) radiant1864 Astronomy. The point or small region of the sky from which the meteors in a meteor shower appear to diverge; a radiant point. radiant point1864 a central point from which lines or rays diverge; (Astronomy) the radiant (sense B. 3) of a meteor shower. |
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