An Etymological Dictionary of Astronomy and Astrophysics

A loop of hot, luminous gas in the Sun’s → corona consisting of cool dense → plasma supported by magnetic fields. Prominences appear bright when seen against the cool blackness of space. When they are in silhouette against the disk they are known as → filaments. Their spectrum is dominated by lines of hydrogen, helium, and calcium. Prominences have temperatures of about 10,000 K, typical of the solar → chromosphere, and densities 100 times greater than the corona. There are → quiescent prominences and → active prominences.

Etymology (EN): From L. prominentia “a jutting out, protuberance,” from prominere “jut or stand out,” from → pro- “forward” + minere “to project.”

Etymology (PE): Zabâné “tongue-like” (flame), from zabân “tongue;
→ language,” + suffix -é.