Which of the Following Is Evidence for Supermassive Black Holes

question 29

Multiple Choice

Which of the following is evidence for supermassive black holes in active galaxies?

• A)rapid changes in the luminosity of the galaxy nucleus
• B)quasars emitting approximately equal power at all wavelengths from infrared to gamma rays
• C)the very high speeds of gas orbiting around the galactic nucleus
• D)the discovery of powerful jets coming from a compact core
• E)all of the above

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Definitions:

Polyandrous

Referring to a mating system in which a female has multiple male partners at the same time.

Polygynous

A mating system in which a male animal has more than one female mate.

Promiscuous

Engaging in casual and frequent sexual activity with different partners or being indiscriminate in the selection of sexual partners.

Habituation

A psychological learning process wherein there is a decrease in response to a stimulus after being repeatedly exposed to it.