The previously known most distant object was a short-lived gamma ray burst.

之前所知最遥远的天体是一次短期的伽玛射线暴。

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Shortly after launch in 2008, when we first turned on the telescope, we noticed an unexpected bright object in the newly observed gamma-ray sky.

2008年望远镜发射升空后不久，当我们第一次启动它的时候，在新近观察到的伽马射线天空中发现了一个出乎意料的明亮物体。

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The most powerful such object is a quasar, which emits a huge amount of radio, infrared, ultraviolet, X-ray, and gamma-ray energy.

这种物体多数是一个发射巨大能量（包括射电、红外线、紫外线、X射线和伽玛射线在内）的类星体。

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In this scenario, the gamma ray burst was caused by a large, comet-like object that fell into a neutron star.

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