Multiple Choice
Astronomers believe a supermassive black hole of three billion solar masses exists at the center of the giant elliptical galaxy M87. Which one of these is NOT a piece of evidence used to deduce this?
A) This galaxy is a powerful source of X-rays.
B) The density of stars near the center of the galaxy is extraordinarily high.
C) Multiple images of the galaxy have been formed by gravitational lensing.
D) The galaxy has a bright, starlike nucleus.
Correct Answer:
Verified
Correct Answer:
Verified
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