黔西市新仁苗族乡化屋村掩映在青山绿水间,白墙黛瓦的民居依山而建,农家乐里挂起的红灯笼透着浓厚年味,令游客们流连忘返。
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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.
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