Solar feature
Coronal Streamer
A large, pointed structure in the corona, seen in eclipse and coronagraph images as bright rays extending outward above the streamer belt. Helmet streamers cap closed magnetic regions and are the source of the slow solar wind; their shape changes over the solar cycle.
Highlights
- ›Bright coronal rays — source of the slow solar wind
The Sun, its layers & phenomena
Across solar physics
Knowledge connections
- Associated withThe Solar Corona
- Associated withThe Sun
- Associated withThe Solar Corona
- Associated withThe Slow Solar Wind
- Associated withSolar Wind
- Associated withThe Slow Solar Wind
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.