BL Lacertae Objects Appear to Be

question 16

Multiple Choice

BL Lacertae objects appear to be

• A) giant irregular galaxies with neither spiral arms nor the smooth shape of elliptical galaxies.
• B) elliptical galaxies with bright, starlike nuclei.
• C) spiral galaxies with bright, starlike nuclei.
• D) active galaxies, most of whose energy is emitted by two widely spaced radio lobes.

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