The intense beam creates an artificial "star" in the atmosphere by exciting atoms 56 miles (90 km) up.

强烈的光束由于激励了高达56英里（90公里）原子，创造一个大气中的人造“星星”。

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Yepun's beam creates an artificial star 56 miles (90 kilometers) up in Earth's atmosphere.

Yepun望远镜发出的激光束在地球大气层上空56英里(90公里)处形成了一颗人造恒星。

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Finally, a beam of artificial rays from the accelerator is added to the mix.

最后，再混合一束源于加速器中的人造射线。

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Finally, a beam of artificial rays from the accelerator is added to the mix.

ECONOMIST: Climate science (II)