What Is the Evidence for an Accelerating Universe

question 10

Multiple Choice

What is the evidence for an accelerating universe?

• A)White-dwarf supernovae are the same brightness regardless of redshift.
• B)White-dwarf supernovae are slightly brighter than expected for a coasting universe.
• C)White-dwarf supernovae are slightly dimmer than expected for a coasting universe.
• D)The Andromeda Galaxy is moving away from the Milky Way at an ever-increasing speed.
• E)There is far more dark matter than visible matter in the universe.

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Definitions:

Marginal Tax Rate

The rate at which the last dollar of income is taxed, indicating the percentage of tax applied to your income for each tax bracket in which you qualify.

Taxable Income

Taxable income is the portion of an individual's or company's income used as the basis to calculate the taxes owed to the government.

Average Tax Rate

The ratio of the total amount of taxes paid to the total taxable income, indicating the portion of income that is paid in taxes.

Marginal Tax Rate

The tax rate that applies to the last dollar of the taxpayer's income, indicating the percentage of tax paid on any additional income earned.