A Quasar's Spectrum Is Hugely Redshifted

question 17

Multiple Choice

A quasar's spectrum is hugely redshifted.What do most astronomers think this large redshift tells us about the quasar?

• A)the composition of the quasar
• B)the distance to the quasar
• C)the size of the quasar's central,supermassive black hole
• D)the type of host galaxy in which the quasar resides

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Definitions:

Puckering

The act of tightening or contracting a part of the body or material, often resulting in wrinkles or folds.

Scaling

A dental procedure that involves the removal of plaque and tartar from the teeth to prevent gum disease.

Nipple

The small projection on a breast through which milk is delivered from the mammary glands to the surface, typically in mammals.

Sexuality

The collective characteristics that mark the differences between the male and female, the constitution and life of the individual as related to sex.