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耀变体是一种向地球方向释放出强大电离物质喷流的星系，宛如宇宙“粒子加速器”。大多数耀变体的光都是由高能(gao neng)粒子产生，而其喷流的能量来自星系中心的超大质量黑洞(hei dong)。这些粒子...
(3) Operational data in our Services or website - used to identify your user behavior, including user ID, date and time of the request, title of the page being vi...