Why Were Quasars So Mysterious When First Discovered

question 16

Multiple Choice

Why were quasars so mysterious when first discovered?

• A)Quasars emitted radio energy like radio galaxies, but looked like stars in visible light.
• B)Quasars showed significant gravitational lens effects.
• C)The spectra of quasars looked like those of M dwarfs.
• D)The large redshifts originally indicated that they were orbiting the centre of the Milky Way.

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Definitions:

Beta Rhythms

Brain waves that are associated with active, alert cognition and wakefulness, typically occurring in a frequency range of 12–30 Hz.

Respiration

The physiological process of inhaling oxygen and exhaling carbon dioxide from the body, essential for maintaining life.

Hypnosis

A trance-like state of focused attention and heightened suggestibility, often used for therapeutic purposes.

Suggestible

The quality of being inclined to accept and act on the suggestions of others, often leading to increased susceptibility to influence.