释义 |
Hevelius's parhelia Hevelius's parhelia[he′vel·yəs·əz pär′hēl·yə] (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. |