Webb's sharper view also hints at possible jets from the central star. The dark lane and the way gas appears to push outward near the top of the nebula suggest an ejection that may be shaping the cloud's symmetry, a common feature when aging stars throw material in opposite directions.
After your base implementation is complete, you MUST:
，这一点在Line官方版本下载中也有详细论述
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Maternity services under strain as report finds insufficient staffing levels