推动宇宙加速膨胀的原因被归结为“暗能量”，这倒是对于我们尚且知之甚少的东西的一个合适的称谓。
The culprit pressing the cosmic accelerator goes by the name "dark energy," which is an appropriately enigmatic moniker for something that remains so poorly understood.
从这个角度看，我们周围的这些平面空间可能是暗能量的一个来源，而正是它让宇宙加速膨胀。
From this point of view these flat Spaces around us turn out to be one possible source of dark energy for the accelerating expansion of the Universe.
尽管宇宙加速膨胀对天文学家来说很惊讶，但是这个发现为主流宇宙学模型提供了一个基本要素。
Although the accelerating cosmic expansion came as a surprise to astronomers, its discovery provided an essential ingredient in what has become the prevailing cosmological model.
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