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Death Beckons Three Aging Stars

星云壁纸

by NASA/JPL-Caltech/Harvard-Smithsonian CfA

NASA Image Library · 公有领域（Public Domain）

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This trio of ghostly images from NASA Spitzer Space Telescope shows the disembodied remains of dying stars called planetary nebulas. Planetary nebulas are a late stage in a sun-like star life.

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