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.
以“中国样本”赋能“区域健康”
，这一点在WPS下载最新地址中也有详细论述
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AFP via Getty Images
Daniel Stenberg Founder, cURL