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Home Q & A Board Science-Related Homework Help Physics
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killian killian
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10 years ago
What evidence supports the existence of a black hole at the center of our galaxy?
A) We observe an extremely bright X-ray source at the center of our galaxy.
B) We can see gas falling into an accretion disk and past the event horizon of a black hole.
C) The motions of the gas and stars at the center indicate that it contains 4 million solar masses within a region only 3 light-years across.
D) We observe a large, dark object that absorbs all light at the center of our galaxy.
E) all of the above
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padrepadre
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10 years ago
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#2
10 years ago
Thanks Padre
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