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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
What evidence now exists for a supermassive black hole at the center of our Galaxy?
A)   Very bright X-ray emissions from the galactic center
B)   Observations of intense inflow of matter toward the center of the Galaxy as seen by light, Doppler-shifted toward the red, emitted by this matter
C)   Very rapid motion of matter close to the nucleus of the Galaxy, requiring a very massive body to hold it in orbit
D)   A very dark void in an otherwise bright region of space near the galactic center, indicating the presence of a black hole
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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7 years ago
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doit_the_clown Author
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7 years ago
Smart ... Thanks!
byehoe
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Yesterday
Correct Slight Smile TY
gage
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2 hours ago
Helped a lot
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