Which statement best captures the 'quasi-stellar' aspect of quasars?

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Study for the NOVA Black Hole Apocalypse Astronomy Test. Explore astronomy with our rich content. Use flashcards and multiple-choice questions to enhance your knowledge. Prepare effectively and uncover the mysteries of black holes. Get ready for your exam!

Multiple Choice

Which statement best captures the 'quasi-stellar' aspect of quasars?

Explanation:
Quasi-stellar means star-like in appearance. Quasars look like point sources, unresolved by telescopes, much like distant stars do, even though they are far outside our galaxy and powered by a supermassive black hole. That star-like, point-source appearance is exactly what the statement captures, making it the best fit. The other ideas misinterpret the term: quasars aren’t objects in the solar system, aren’t defined by temporary dimming, and the phrase isn’t about their orbital motions.

Quasi-stellar means star-like in appearance. Quasars look like point sources, unresolved by telescopes, much like distant stars do, even though they are far outside our galaxy and powered by a supermassive black hole. That star-like, point-source appearance is exactly what the statement captures, making it the best fit. The other ideas misinterpret the term: quasars aren’t objects in the solar system, aren’t defined by temporary dimming, and the phrase isn’t about their orbital motions.

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