08/27/2026
Here’s how Dr. Jia‑Wei Wang explains this result:
“What happens when giant streams of gas collide while building a cluster of massive stars?
Using polarization observations from JCMT, ALMA’s compact and 12-meter array, we traced the magnetic field in G33.92+0.11 from the surrounding cloud down to dense star-forming cores. The ACA data fill the crucial missing scale between earlier large- and small-scale observations, allowing us to follow one connected magnetic-field structure across the system.
This missing link reveals a surprising change: on large scales, converging gas filaments drag the field inward and bend it into U shapes. Closer to the forming cluster, the compressed field becomes strong enough to guide gas toward dense cores. The gas first reshapes the field, and the field then helps direct where the gas goes.”
👉 Swipe to see how multi‑scale observations (Figure 1)
turn into a physical picture of this “tug‑of‑war” (Figure 2).
