polar plumes

polar plumes

[′pō·lər ′plümz]
(astronomy)
Columnlike plumes of hot coronal gas that are concentrated at the sun's magnetic poles.
References in periodicals archive ?
During totality they'll likely see two broad coronal streamers extending east and west above the solar equator, plus a collection of thin filaments called polar plumes above the north and south poles of the Sun (pictured on the next page).
After the eclipse ends, we'll align and interleave the observers' images and then assemble them into a continuous movie to reveal the dynamics of polar plumes for a full 90 minutes.
A bubbly ocean containing 1 or 2 percent dissolved carbon dioxide and other gases could supply water, gas, dust and heat to Enceladus' polar plumes, Matson reported October 5.
Jean-Francois Begot of France, also observing through a special quartz window, photographed the corona to study its structure and the lifespan of its polar plumes.
They resemble polar plumes, though some are located at quite low heliographic latitudes.