Filament
Astronomy
A prominence viewed against the solar disk. Also solar irradiance, solar filament.
- — NASA Helioviewer.org Visual Glossary retrieved 2014-05-26
A structure in the corona consisting of cool plasma supported by magnetic fields. Filaments are dark structures when seen against the bright solar disk, but appear bright when seen over the solar limb. Filaments seen over the limb are also known as prominences.
- — Space Weather Center Glossary of Space Weather-Related Terms retrieved 2014-05-26
Energy
Weather
A mass of gas suspended over the photosphere by magnetic fields and seen as dark lines threaded over the solar disk. A filament on the limb of the sun seen in emission against the dark sky is called a prominence.