A so-called "planetary nebula" is a confusing misnomer because these clouds have nothing to do with planets. As a medium-size star nears the end, it puffs out into a red giant — about 100 to 1,000 times its original size — eventually engulfing the space around it, including any nearby worlds.
1．报送时机：船舶进入上述区域前开始报送，船舶离开上述后取消报送。
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（三）未经许可，擅自经营按照国家规定需要由公安机关许可的行业的。
帕特尔指出，“美国目前国内钪产量为零，也没有在中国以外已经投产运转的替代来源”，现有库存恐怕以“月”为单位计算，而非“年”。