Science and Technology · Space and Astronomy
Which of the following best describes a quasar?
- 1An extremely luminous active galactic nucleus powered by a supermassive black hole✓
- 2A dense cloud of interstellar gas undergoing gravitational collapse
- 3A highly magnetized rotating neutron star emitting radio waves
- 4A newly born star surrounded by a protoplanetary disk
Correct answer
An extremely luminous active galactic nucleus powered by a supermassive black hole
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