A quick glance at the Hubble picture at top shows that this celestial body, called He 2 - 90, looks like a young, dust - enshrouded star with narrow jets of material streaming from each side. (hubblesite.org)
In the typical textbook picture, volcanoes, such as those that are forming the Hawaiian islands, erupt when magma gushes out as narrow jets from deep inside Earth. (sciencedaily.com)
Very broad features beneath the surface have been interpreted as plumes or super-plumes, but, still, they're far too wide to be considered narrow jets. (sciencedaily.com)