<ul><li>Scientists have discovered radio signals from hot gas around a supermassive black hole that existed 12.9 billion years ago.</li><li>The research team used detailed observations from the ALMA telescope to see through dust and study the black hole.</li><li>The discovery helps in understanding the growth of black holes and why many of them are hidden behind dust.</li><li>This breakthrough discovery opens the way for further exploration of black holes in the early universe.</li></ul>

Scientists find hidden black hole from the early universe

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