Looking at dark matter
本文作者： BY JOHN O’REILLY
宇宙里的暗物质是什么？词数 426 建议阅读时间 6分钟 测试见7版If you look at the night sky, you’ll often see stars moving very quickly. In fact, they move much more quickly than they should according to their size and the laws of physics. |  |
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