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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1925 anni - 美国的亚当斯发现天狼星光谱线的引力红移,再次验证了广义相对论。

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Bylee66
29 mar 2024
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1 gen 1925 anni
Adesso
~ 100 years ago
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