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The HST image is shown as a tool to identify some of the features of
this very complex object. Both images show an inner torus of gas that is
glowing very brightly. This inner structure is enshrouded by an obscuring
(though translucent) pillow-like cloud of gas and dust. This object is often
considered the very initial stage of the expanding planetary nebula within.
Soon the tenuous cloud of dust will be blown away- to leave a brilliantly
glowing ring-like nebula. Note that the bright green area of the nebula
corresponds with the area where the dust is thinnest (see the HST image).
Thus, this area is a little window through which we see the OIII emission
escaping directly and the baby nebula to come! Be certain to click on
our image to see the largest view.
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