Star Could Reveal Spin of Sagittarius A*
scienceofficial.org
Astronomers are searching for a star whose orbit could allow them to measure the spin of Sagittarius A*, the Milky Way's supermassive black hole.

A new quiz highlights the search for a star whose motion could let astronomers measure the spin of the Milky Way’s supermassive black hole, Sagittarius A*.

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