The era when the first clusters formed is not precisely known, but is estimated to be at least 9 billion years ago and possibly as far back as 12 billion years ago.
第一个星系集群形成的时代现在已经不能准确知道了,但是据估计至少是在9亿年前形成的,或许更早一些,在120亿年前就已经形成了。
If most of the clusters in the CLASH survey are found to have excessively high accumulations of dark matter in their central cores, then it may yield new clues to the early stages in the origin of the universe.
若是在调查研究中发现大部分的星座集群在中心部分都是由大量的暗物质聚集而成的,那就很有可能在关于宇宙起源的这一问题上的到新的线索。
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