数十年来，天文学家们一度怀疑一种更寂静的恒星爆炸的存在——称之为“对不稳定”超新星，其能量超过普通超新星100倍。
For decades astronomers have suspected the existence of a type of stellar explosion that is bigger still-a "pair-instability" supernova, with 100 times more energy than an ordinary supernova.
天文学家观测到了一次非常奇怪的宇宙爆炸，以至于他们不知道怎样称呼它。
Astronomers have witnessed a cosmic explosion so strange they don't even know what to call it.
下一次，他希望能早点得到消息，一旦切斯利或其他天文学家预测出爆炸地点坐标，他就可以火速飞到残骸陨落的地方。
Next time, he hopes to receive word earlier on, as soon as Chesley or another astronomer predicts the impact location, so that he can catch a flight to the place where debris is expected to fall.
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