What Was the First Evidence That Quasars Were Different from Astronomical

question 38

Multiple Choice

What was the first evidence that quasars were different from astronomical objects before they were observed in visual wavelengths?

• A) The first quasars were seen to have fuzz.
• B) Quasars emitted radio energy like active galaxies, but appeared to be point sources in radio wavelengths.
• C) Quasars showed significant gravitational lens effects.
• D) The spectra of quasars looked like that of an M dwarf.
• E) The large red shifts originally indicated that they were orbiting the center of the Milky Way.

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