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Beyond the cloud's unusual shape, scientists see the nebula as a freeze-frame in the life of a star facing its final act. Elderly stars shed their outer layers in bursts, creating shells of gas and dust that expand. By observing the nebula at different wavelengths, researchers can sort out what material was molted first, how fast the star is losing mass, and which phase of decline Webb has caught.
。关于这个话题，搜狗输入法2026提供了深入分析
Как распознать токсичные отношения?Что такое токсичные отношения и как из них выйти. Отвечает психолог6 августа 2022
新华社北京2月25日电 （记者冯歆然）2月25日中午，国务院总理李强在北京人民大会堂同来华进行正式访问的德国总理默茨举行会谈。