Seyfert galaxies are:
A)elliptical galaxies whose nuclei resemble quasars.
B)spiral galaxies whose nuclei resemble quasars.
C)giant irregular galaxies that have neither spiral arms nor the smooth shape of elliptical galaxies.
D)active galaxies, most of whose energy is emitted at radio wavelengths by two widely spaced lobes above the galactic poles.

Question

Quizplus · Accepted Answer

Seyfert galaxies are spiral galaxies whose nuclei emit high levels of energy, often including X-rays and radio waves. They are named after American astronomer Carl Seyfert who studied them in detail in the 1940s and 50s.

Seyfert Galaxies Are