It's called the Sagittarius dwarf galaxy.
这就是所谓的人马座矮星系。
Sagittarius a is now agreed to be the most plausible candidate for the location of a supermassive black hole at the center of the Milky Way galaxy.
现在同意人马座a是银河系中心超大质量黑洞位置的最有可能的候选者。
Sagittarius a is now agreed to be the most plausible candidate for the location of a supermassive black hole at the center of the Milky Way galaxy.
现在同意人马座a是银河系中心超大质量黑洞位置的最有可能的候选者。
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