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 ?
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.
That's close enough to fill chambers in the icy crust with the water that feeds the south polar plumes.