光こう環かん

noun

corona

Astronomical term for the luminous ring or halo around a celestial body, especially the sun's corona visible during a total solar eclipse.

• 皆かい既き日にっ食しょくのとき、太たい陽ようの光こう環かんがはっきりと見みえた。

  During the total solar eclipse, the sun's corona was clearly visible.