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.
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Жители Санкт-Петербурга устроили «крысогон»17:52。关于这个话题，51吃瓜提供了深入分析
政策端则打出“补贴激励+基建下沉”的组合拳。。WPS官方版本下载对此有专业解读