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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
Why is the energy source for active nuclei like Seyferts thought to be compact?
A) They are all strong radio sources, with assigned frequencies by their sizes.
B) Their energy appears to be non-stellar synchrotron radiation.
C) The sources appear to be single stars in photos.
D) We know the masses of the black holes that lurk there, and can find their radii.
E) The light can vary over short time intervals.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Wonderful, thanks for your time and effort
Minoring in physics
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#3
8 years ago
Happy to help Slight Smile
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