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symbo symbo
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Posts: 1970
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7 years ago
What evidence do we have that the central regions of Seyfert galaxies contain very hot gas?

(a)   Emission lines of highly ionized iron
(b)   Intense emission lines of the Lyman series of hydrogen
(c)   Strong synchrotron radiation
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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7 years ago
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symbo Author
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7 years ago
this is exactly what I needed
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Yesterday
Thank you, thank you, thank you!
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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