最終更新日：2022/12/24
Sagittarius A*, the black hole in the Milky Way galaxy, was a harder target. It is less than one-thousandth the mass and size of the M87 hole and, therefore, evolves a thousand times faster.
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Sagittarius A*, the black hole in the Milky Way galaxy, was a harder target. It is less than one-thousandth the mass and size of the M87 hole and, therefore, evolves a thousand times faster.
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