| 单词 | Willem de Sitter |
| 例句 | This became a topic of impassioned debate between Einstein and Willem de Sitter, a Dutch physicist who had found one of the expanding-universe solutions. The most beautiful theory 2015-11-25T05:00:00Z Willem de Sitter, a Dutch astronomer, came up with his own solution describing a universe that had no matter at all and was flying apart. A Century Ago, Einstein’s Theory of Relativity Changed Everything 2015-11-24T05:00:00Z |
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