EARTH SCIENCE > SUN-EARTH INTERACTIONS > SOLAR ACTIVITY > SOLAR PROMINENCES/SOLAR FILAMENTS
A term identifying cloud-like features in the solar atmosphere. The
features appear as bright structures in the corona above the solar limb
and as dark filaments when seen projected against the solar disk.
Solar filaments are also known as prominences, can appear as arcs and
properties can vary with the solar cycle.
On-Line Glossary of Solar-Terrestrial Terms from the NOAA Space Environment