Which of the following statements does NOT describe one of the unusual characteristics of quasar 3C 273 that astronomers noticed when the quasar was first discovered?
A) 3C 273 was a faint, starlike object that coincided with an intense radio source.
B) A luminous jet protruded from one side.
C) The object was ringed with multiple but identical images of a distant galaxy, suggesting gravitational lensing.
D) The spectrum contained emission lines that could not be immediately identified.
Correct Answer:
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