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Okay, I think I was able to google and comprehend it a little. Parsecs is somewhat similar to arcsecs, plus the "par" from parallax.
SkySafari shows the distance from Theta 2 Ori to Theta 1 Ori as about ~ 1.8 arcminutes. So the "dam" of magnetic lines close to Theta 2 Ori isn't the fringe of the "bubble" created by Theta 1 Ori as described in the January article which is only 4 arcseconds big.
The "bubble" finds no representation in the new image of the magnetic lines.
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