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Tuesday, May 19, 2015

New from ALMA: 3-Light-Year-Long Gas Arms

Absolutely stunning to see new images of such intense happenings in this kind of scale.  New today from ALMA, off of NRAO

"...a cluster of massive stars is forming.  ALMA revealed, in unprecedented detail, the fine structure of the molecular gas structures at the center of the region, where two surprisingly large molecular gas arms about 3 light-years across, appear to be spiraling around two massive molecular cores. 

These results show that the large molecular arms are indeed the cradles of dense cores, which are current or future birthplaces of massive stars. These results represent a crucial step forward in the understanding of how mass distributes to form both massive cores and massive stars."
Image Credit:ALMA(ESO/NAOJ/NRAO), H. B. Liu, J. Dale.

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Thursday, March 19, 2015

Orion's Fingers: New from Gemini Observatory

New from Gemini's newsletter, JUST came in my inbox. "The outflow of the 'Orion Fingers' is evident in this high-resolution image from Bally et al. (2015). The leading fingertips appear in [Fe II] (cyan), and the trailing fingers are evident in molecular hydrogen emission (orange). Comparison with earlier observations shows the motion and morphological changes of the emitting knots."
Image Credit: Gemini / arXiv

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