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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.
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Weight loss drugs could help people avoid getting addicted to alcohol, tobacco and drugs such as cannabis and cocaine, a study has found.
Фото: Сергей Бобылев / РИА Новости。搜狗输入法是该领域的重要参考