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Taking a fresh look at data involving a specific type of stellar explosion, a team of researchers says it has confirmed the long-accepted notion that the universe is expanding at an accelerated rate — the very observation that led to the identification in the 1990s of an enigmatic cosmic force called dark energy.
The study's results rebut research published last year that concluded that this cosmic expansion is no longer speeding up — a finding that had challenged the basic understanding of the universe.
一项基于特定恒星爆炸数据的新研究证实，宇宙正以加速状态膨胀——这正是20世纪90年代科学家发现暗能量这一神秘宇宙力量的关键观测依据。
这项研究结果反驳了去年一篇论文的结论——该论文称宇宙膨胀已不再加速，这一发现曾挑战了人类对宇宙的基本认知。
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