What Are the Typical Features Seen in Quasar Absorption Lines

question 64

Multiple Choice

What are the typical features seen in quasar absorption lines of intergalactic clouds?

• A)The hydrogen line is wider and lines from heavy elements are weaker at higher redshifts.
• B)The hydrogen line is narrower and lines from heavy elements are weaker at higher redshifts.
• C)The hydrogen line is wider and lines from heavy elements are stronger at higher redshifts.
• D)The hydrogen line is narrower and lines from heavy elements are stronger at higher redshifts.
• E)A few weak absorption lines are always seen at higher redshift than the quasar.

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Definitions:

Proportional

Referring to a relationship where changes in one item directly mirror changes in another, often expressed as a constant ratio.

Tax System

The legal framework and mechanisms through which taxes are imposed on individuals, corporations, and transactions in a country, shaping the distribution of tax burdens.

Deadweight Losses

Economic inefficiencies that occur when the free market equilibrium is disturbed, resulting in a loss of economic value, often due to taxes, subsidies, or price controls.

Administrative Burdens

The costs and obstacles associated with compliance to legal and regulatory requirements by businesses or individuals.