アルベルト・アインシュタインのインスタグラム(alberteinstein) - 1月18日 23時18分

After decades of trying, scientists can now study black holes as real objects, and their observations are challenging a number of assumptions. But a question has emerged: are they really seeing the black holes predicted by Einstein’s theory? Find out more here: fcld.ly/5t7oerq

[BIHAKUEN]UVシールド(UVShield) 更年期に悩んだら

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