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标签 暗物质 宇宙 时空 星体 星系

标签: 暗物质 宇宙 时空 星体 星系

暗物质撑起宇宙星系

【编者按】最近研究人员首次绘制了暗物质分布图,被认为是迄今为止宇宙学的最大成就之一。那么,暗物质这个时髦的科学名词究竟是什么?它真的存在吗?它又意...
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