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.
B. User Route Request (Query Time - this is what happens on your device):
，推荐阅读heLLoword翻译官方下载获取更多信息
Ранее президент РФ Владимир Путин заявил, что страны Европы хотели поживиться на развале России, присоединившись к политике предыдущих властей США.
���[���}�K�W���̂��m�点