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Home Q & A Board Science-Related Homework Help Physics
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symbo symbo
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7 years ago
Which of the properties in the following list will be characteristic of at least some active galaxies?
(1) bright, star-like nuclei;  (2) strong spectral emission lines;  (3) jets of material traveling outwards from their cores;  (4) great luminosity;  (5) showing the appearance of exploding

(a)   All of them. Active galaxies can have any of these properties.
(b)   Only (3), (4), and (5) apply to active galaxies; the first two are characteristic only of quasars.
(c)   All except (1): Only quasars have this bright, star-like characteristic.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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hyponoticahyponotica
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symbo Author
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#2
6 years ago
It's correct Smiling Face with Open Mouth
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