雅思阅读材料：专家称时间终究会停止

The theory of time running out was devised by researchers from two Spanish universities trying to explain why the universe appeared to be spreading continuously and accelerating。“时间耗尽”理论由两名来自西班牙大学的研究者提出，他们试图解释宇宙为何不断膨胀，为何不断加速。

Observations of supernovae, or exploding stars, found the movement of light indicated they were moving faster than those nearer to the centre of the universe。之前，科学家观察超新星或恒星的爆炸之后，发现光的运动频率暗示着它们比那些靠近宇宙中心的恒星运行得更快。

But the scientists claimed the accepted theory of an opposite force to gravity, known as dark energy, was wrong, and said the reality was that the growth of the universe was slowing。但是，这两名科学家声称当前流行的“重力相反力”理论，也就是“暗能量”理论是错误的。他们还说，事实上，宇宙的增长速度在减缓。

Professor Jose Senovilla, Marc Mars and Raul Vera from the University of the Basque Country and the University of Salamanca said the deceleration of time was so gradual, it was imperceptible to humans。毕尔巴鄂市巴斯克地区大学的琼斯·瑟诺维拉教授和萨勒曼卡大学的劳尔·维拉教授说时间减速是一个逐步的过程，而且人类无法感知。

Their proposal, published in the journal Physical Review D, claimed dark energy does not exist and that time was winding down to the point when it would finally grind to a halt long after the planet ceased to exist。他们的理论发表在《物理评论(基本粒子、场论、宇宙学)》上，文章说宇宙中不存在暗能量。当地球消失后，时间也会一点点变慢，最终完全停止。

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