Which of the following statements about quasars is not correct?

A. Their cores are extremely large, probably several thousand light-years across.
B. Their spectra have the largest redshifts observed.
C. They are probably the most distant observable objects.
D. They have abnormally high luminosities.
E. Sometimes they appear in pairs, due to gravitational lenses formed by intervening galaxies.


Answer: A

Physics & Space Science

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