Scientific American Content | Global Follow The Milky Way’s Fastest Star Could Expose Our Black Hole’s Spin The star S301 swoops so close to our galaxy’s supermassive black hole that it could, for the first time ever, reveal that dark behemoth’s rotation https://www.scientificamerican.com/article/the-milky-ways-fastest-star-could-expose-our-black-holes-spin/ scientificamerican.com