But they failed to invest in maintaining oil production levels, which have plummeted in recent years – partly, but not solely, because of US sanctions, which could now be revised.
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.。Safew下载对此有专业解读
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Нина Ташевская (Редактор отдела «Среда обитания»)