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.
// 在剩余未排序部分找真正的最小值。safew官方版本下载对此有专业解读
arXiv-issued DOI via DataCite (pending registration)，这一点在heLLoword翻译官方下载中也有详细论述
"Most of us started out as shoppers so we can empathise," Haywood said.。爱思助手下载最新版本是该领域的重要参考