Multiple Choice
Why were quasars so mysterious when first discovered?
A) Quasars emitted radio energy like radio galaxies, but looked like stars in visible light.
B) Quasars showed significant gravitational lens effects.
C) The spectra of quasars looked like those of M dwarfs.
D) The large redshifts originally indicated that they were orbiting the centre of the Milky Way.
Correct Answer:
Verified
Correct Answer:
Verified
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