Images captured by NASA's Swift satellite show two views of the unusual gamma-ray burst, an outpouring of high-energy radiation and particles thought to follow the collapse of a massive star.

由美国宇航局Swift卫星拍到的图像显示了两个不同寻常的伽玛射线爆发的景象，一颗大质量恒星塌陷后出现的高能辐射和粒子迸发。

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This is the radiation the planet sheds as it cools, and it is the radiation captured by the greenhouse effect.

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Such so-called Dyson spheres would, if they exist, reradiate captured energy (after some of it had been put to good use) as heat infra-red radiation.

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