Hints of a previously unknown, primordial form of the substance could explain why the cosmos now seems to be expanding faster than theory predicts.

中文翻译：

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新型暗能量可解宇宙膨胀之谜

先前未知的原始物质形式的暗示可以解释为什么现在宇宙的膨胀速度似乎比理论预测的要快。