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*.
Astronomers Seek Star That Could Reveal the Spin of Sagittarius A*
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*.
Sagittarius A* · Wikimedia — licence per file · rights
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