According to paragraph 1, what primarily powers a quasar?
Understand the Problem
The question is asking what primarily powers a quasar, based on the provided paragraph about quasars. It requires identifying the correct option among the provided choices.
Answer
A supermassive black hole
The final answer is a supermassive black hole.
Answer for screen readers
The final answer is a supermassive black hole.
More Information
Quasars are powered by the accretion of material onto supermassive black holes located at the centers of galaxies. As matter spirals in, it releases a significant amount of energy, making quasars some of the most luminous objects in the universe.
Tips
Remember that quasars are not powered by stars themselves but by the gravitational energy from material moving into a supermassive black hole.
Sources
- Quasar - Wikipedia - en.wikipedia.org
- The Power Source of Quasars - SkyServer - skyserver.sdss.org
- What is a quasar? - EarthSky - earthsky.org
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