Quasars Are

Multiple Choice

Quasars are

A) sources of great energy, very large in actual size, and shaped like galaxies.
B) sources of intense radio energy only, not visible at other wavelengths, and relatively large but very distant.
C) prolific sources of energy, starlike in appearance, and intrinsically small.
D) starlike sources of great energy located in the Milky Way Galaxy and intrinsically very small.