NGC 6357：龙虾星云
2022年11月1日 NGC 6357: The Lobster Nebula Image Credit: CTIO/NOIRLab/DOE/NSF/AURA; Processing: T. A. Rector (U. Alaska Anchorage/NSF’s NOIRLab), J. Miller (Gemini Obs./NSF’s NOIRLab), M. Zamani & D. de Martin (NSF’s NOIRLab) Explanation: Why is the Lobster Nebula forming some of the most massive stars known? No one is yet sure. Cataloged as NGC 6357, the ...