Find out how physics is part of your world 发现物理怎么是你的世界的部分。
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Some have called the presence of this star the ' northern lights ' which can be viewed at certain times of the year from certain parts of your world 有些人将这颗星的出现称为“北极光” ，它可在每年的特定时间从你们世界特定部分被观察到。
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Find out how physics is part of your world . we answer your questions on how things work and keep you informed with daily updates on physics in the news -收录了物理学中有新思想新观念和新实验的文章，具有创新性争议性的论文和研究方向
