单词 | Hevelius's parhelia |
释义 | Hevelius's parhelia [he`vel·yǝs·ǝz pär`hēl·yǝ] OPTICS Bright spots infrequently observed on the parhelic circle halfway around from the sun to the anthelion; these two brighter areas on the parhelic circle are probably a result of superposition of luminosity of the parhelic circle and the Hevelian halo. |
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