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.
第一百四十条 出租人应当按照合同约定的时间交付船舶。
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John Wood Group has been fined nearly £13m for repeatedly publishing inaccurate financial results.
特斯拉无人驾驶技术在阿布扎比完成道路实测