Quasars are extremely luminous objects in the universe, characterized by their high redshifts, which indicate they are both very distant and moving away from us rapidly, suggesting an expanding universe. This high luminosity and redshift are key features distinguishing quasars from other types of galaxies or celestial objects.

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Quasars Are____

Question 34

Multiple Choice

Quasars are____.

A) spiral galaxies with unusually luminous nuclei
B) elliptical galaxies with very broad emission lines
C) explained by the double-exhaust model
D) extremely luminous objects with high redshifts
E) glowing green gases due to excitation from energy from an active core

Correct Answer: