“星系核心”是天文学专有名词。
现在造星区域被局限在星系核心周围5000光年的范围内。
The star-making region is now confined to about 5, 000 light-years around the core.
马德里解说道：“哈勃的清晰图像使我们能够把HST-1与星系核心的黑洞区分开来”。
"Hubble's sharp vision allows it to resolve HST-1 and separate it from the black hole, " Madrid explains.
喷流由（星系核心的）超大质量黑洞补充（物质、能量），该黑洞是已知质量最大的黑洞之一。
The jet is powered by accretion onto a supermassive black hole, one of the most massive black holes yet discovered.
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