从可见光扩展到无线电波，再到 X 射线和伽马射线，天文学总是会发现不寻常的物体，如射电星系、类星体和脉冲星。

The extension of astronomy from visible light to radio waves to x-rays and gamma rays never failed to lead to the discovery of unusual objects such as radio galaxies, quasars, and pulsars.

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类星体是“类似恒星射电源”的缩写。

Quasar is short for quasi-stellar radio source.

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本文对有射电子源结构类星体的红移、视星等关系进行了统计研究。

In this paper a statistical investigation has been made on the redshift-magnitude relation of quasars with radio components structure.

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