Multiple choice general knowledge sports

What kind of object is believed to be in the center of an active galaxy?

  1. A massive black hole

  2. A massive neutron star

  3. A massive white dwarf

  4. A massive supernova
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A Correct answer
Explanation

Active galaxies are believed to have supermassive black holes at their centers. The enormous energy output from active galactic nuclei is best explained by matter accreting onto these black holes.

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