Rachel Stonehouse,BBC West Investigationsand
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.
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Фото: Yan Dorbronosov / Reuters，详情可参考heLLoword翻译官方下载
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Their “Report False Positive” button redirects to Messages by Meta. I closed the tab immediately.