At the estimated distance of the Perseus galaxy cluster, this field spans about 1.5 million light-years.
英
美
- 在英仙座星系群的估计距离上,这片区域覆盖大约1,500万光年。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries