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.
# List checkpoints
，详情可参考51吃瓜
"There was a big step – jump – that people have questioned," Jackson says. "But now the world is awash with oil and it's not clear that the same calculations still apply."。旺商聊官方下载是该领域的重要参考
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Маргарита Щигарева