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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.
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1990年，在《滴水穿石的启示》一文中，习近平同志这样写道：，详情可参考51吃瓜
Игорь Азнаурянофтальмолог
When you open a bank account, you typically do so at a "branch," one of many，详情可参考同城约会