Seyfert galaxies are known for their active nuclei, which emit more energy at various wavelengths compared to normal spiral galaxies, and they are often found in interacting or close pairs of galaxies. However, they do not generally show redshifts greater than 1.

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Seyfert Galaxies

Question 13

Multiple Choice

Seyfert galaxies

A) are more common in close pairs of galaxies than in isolated systems.
B) emit more energy at x-ray,ultraviolet,infrared,or radio wavelengths than normal spiral galaxies.
C) generally show red shifts greater than 1.
D) a and b
E) a,b,and c

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