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Originally Posted by iantresman
Is the significance that an hourglass magnetic field has been discovered, or that one has been discovered in a star forming region?
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Well, I imagine a star-forming region is where one would look for a "system of two protostars," which is generating the field. (Even enlarged, the "hourglass" shape is a little tough to pick out. I wouldn't criticise an "artist's rendition" of this expected phenomenon....)
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Originally Posted by The Article
NGC 1333 IRAS 4A is part of the Perseus molecular cloud complex - a collection of gas and dust holding as much mass as 130,000 suns.
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I suppose such a huge mass IS going to be "rubbing against itself" from gravitational interactions, thus creating some nontrivial magnetic fields....