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Фото: Alaa Al-Marjani / Reuters
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.。业内人士推荐WPS下载最新地址作为进阶阅读
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