Multiple Choice
Suppose that a large piece (e.g., 5 solar masses) of purple, magnetized iron is rotating 5 times per day. If this object were able to collapse gravitationally to form a black hole, which of these properties of the matter inside the black hole could an outside observer actually measure?
A) rotation
B) magnetic field
C) color
D) composition
Correct Answer:
Verified
Correct Answer:
Verified
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