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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。夫子是该领域的重要参考
Мир Российская Премьер-лига|19-й тур
这里用的是 平行光，模拟太阳光。