This observatory is observing such objects as black holes, quasars, and high-temperature gases throughout the x-ray portion of the EM spectrum.

该天文台能观测到天体电磁频谱的X射线辐射，比如黑洞、类星体和高温气体。

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35% as thermal radiation; made up of a wide range of the electromagnetic spectrum, including infrared, visible, and ultraviolet light and some soft X-ray emitted at the time of the explosion; and.

35%为热辐射，由宽幅电磁频谱组成，包括红外线、可见光、紫外线，以及一些爆炸瞬间释放出的软x射线。

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The study of surface uniformity of the response of the filter and X ray diode to measure soft X ray spectrum is reported.

介绍了用于软X光能谱测量的滤光片及X射线二极管能量响应均匀性研究。

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"The X-ray spectrum of the loop is extraordinary, " said Dr Masaaki Sakano of the University of Leicester.

BBC: Arches Cluster, Leicester

Only instead of amplifying visible light, it amplifies photons in the X-ray spectrum.

FORBES: Scientists Build The World's Most Powerful Laser

When the sun is in this state, it also sends less energy out in the soft X-ray and extreme ultraviolet parts of its spectrum.

MSN: Earth's upper atmosphere cooling dramatically