Million-Degree Plasma May Flow throughout the Galaxy

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Images of the Orion Nebula with its hot gas bubble. At left is an x-ray image taken by the XMM-Newton color-coded for photon energies. At right is a composite image taken by the XMM-Newton and a mid-infrared image from the Spitzer Space Telescope wit ...
Images of the Orion Nebula with its hot gas bubble. At left is an x-ray image taken by the XMM-Newton, color-coded for photon energies. At right is a composite image taken by the XMM-Newton and a mid-infrared image from the Spitzer Space Telescope, with the plasma in blue. Image credit: Manuel Güdel, et al. ©Science 2008.

On a large scale, the Milky Way is considered to be a vast cold region punctured with isolated hot clouds and star clusters. While much of this space is cold and empty, researchers have recently discovered the phenomenon of funneling hot plasma. Flowing plasma may funnel from one region to another through empty space, connecting otherwise isolated clouds and clusters throughout the galaxy.


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