- 1、Thatiswhatmakesaquasar.2、Alunaroccultationofaquasar.3、Themainpurposeofquasarrecognitionistodeterminetheobservedquasarspectrum′sredshiftvalue.4、Whichcamefirst,thequasarorthegalaxy?5、HE0450-2958isatypicalquasarinsomerespects.6、Scientistswerech...
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