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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
Seyfert galaxies are
A)   elliptical galaxies with extremely bright nuclei.
B)   supergiant elliptical galaxies that are periodically disturbed by supernova explosions within them.
C)   spiral galaxies with extremely active cores.
D)   active galaxies that shine mainly by radiation from two relatively widely spaced radio lobes.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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staedtler Author
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