A ray proceeding from the sun; esp. plural, the radiation of the sun's corona seen in eclipses.

Astronomy. A major upward eruption of incandescent gas in the sun's corona, classified as either active (short-lived and with a rapidly changing…

a column of reflected light appearing to extend upwards from the sun in certain atmospheric conditions.

Astronomy. A narrow thread-like streamer from the sun's chromosphere or in its corona.

Astronomy. = prominence, n. 2b. Also solar protuberance. Now rare.

Astronomy. A long, thin prominence or column of incandescent gas above the surface of the sun, typically near one of the poles.

Astronomy. A plume-like solar prominence. rare.