Physics, 07.03.2020 02:36 girlchamp654
Matter falling in the gravitational field of a central mass can form a hot, charged fluid. The fluid matter orbiting some stars radiates infrared light, but the matter orbiting black holes emits x-rays. Which of the following explains this discrepancy? The matter orbiting black holes must:.
A. be hotter than the matter orbiting stars.
B. be colder than the matter orbiting stars.
C. have lower kinetic energy than the matter orbiting stars.
D. exhibit higher viscosity than the matter orbiting stars.
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