S301 star: A New Clue to Black Hole Spin
BY:SpaceEyeNews. The S301 star reaches around 25,000 kilometers per second as it passes the Milky Way’s central black hole. That is more than 8% of…
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Black hole spin
Hierarchical Black Hole Mergers Reveal Hidden Histories
BY:SpaceEyeNews. Some black holes detected through gravitational waves may have experienced more than one merger. Instead of forming directly from a single collapsing star, they…