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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实行扶持对象、项目安排、资金使用、措施到户、因村派人、脱贫成效“六个精准”；实行发展生产、易地搬迁、生态补偿、发展教育、社会保障兜底“五个一批”。
export image-lib;