Direct evidence for a supermassive black hole-a plot of the star S2's orbital motion around the Milky Way center. Astronomers have inferred from these observations that at the center of our galaxy lurks a supermassive black hole of approximately 3 million solar masses.
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Answer:
Direct evidence for a supermassive black hole-a plot of the star S2's orbital motion around the Milky Way center. Astronomers have inferred from these observations that at the center of our galaxy lurks a supermassive black hole of approximately 3 million solar masses.
Explanation: