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.
彼时，在一些地区，还存在贫困人口底数不清、扶贫对象不明、扶贫资金“天女散花”等问题，以致“年年扶贫年年贫”。
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