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11 小时
如何理解引力波效应?《张朝阳的物理课》推导测地偏离方程
人类在 2015 年首次探测到了一次来自 约 13 亿光年 之外的引力波事件,整个过程释放了约 3 个太阳质量的能量,并以光速向外传播,这进一步确立了广义相对论的正确性。
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今日热点
Renames Gulf of Mexico
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El Paso explosion
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Monty wins Best in Show
'Serial swatter' sentenced
Calendar drops key events
Pleads guilty to ISIS support
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Child abuse sentencing
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Inspector general fired
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Seek pause in legal battle
8th to score 30,000 points
Ends IPO diversity policy
Recalling 70,000+ cars
Top CFPB officials resign
FAA reopens DCA runways
Sued over DEI policies
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