What are black holes made of? ⚫
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What are black holes made of? ⚫
In the centre of our galaxy sits a monster 4.3 million times the mass of the sun. But Sagittarius A* is tiny compared with other black holes in the universe, with some reaching up to 40 billion times the mass of the sun. They are the point where our laws of physics break, and how these giants get so big has puzzled scientists for decades. Becky ...
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