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The Galactic Center and Sagittarius A*
Grade Level
Astronomy
AST.222 The Galactic Center and Sagittarius A*
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Why does observing many complete or partial stellar orbits near Sagittarius A* improve confidence in the black-hole model?
A
It shows a consistent gravitational pattern around the same compact center.
B
It proves that stars do not have mass (in this case).
C
It shows that dust creates all stellar motion.
D
It makes telescope resolution unimportant.
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