At the center of the starburst rings is the Seyfert nucleus, the believed signature of a supermassive black hole that is accreting surrounding gas and dust.
人们相信，在赛费特星系的中心，存在黑洞，依据就是环绕着星系的气体和灰尘。
At the center of the starburst rings is the Seyfert nucleus, the believed signature of a supermassive black hole that is accreting surrounding gas and dust.
人们相信，在赛费特星系的中心，存在黑洞，依据就是环绕着星系的气体和灰尘。
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