What Observations Have MOST Clearly Revealed the Geometry of the Universe

question 31

Multiple Choice

What observations have MOST clearly revealed the geometry of the universe?

• A) the brightnesses of supernovae
• B) the apparent sizes of features in the cosmic microwave background
• C) gravitational?-lensing near galaxy clusters
• D) galaxy rotation curves

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Definitions:

Bond Redemption

The process by which a bond issuer legally repays the principal amount of the bond to the bondholders at or before the bond's maturity date.

Market Prices

The immediate cost at which one can buy or sell an asset or service within the market environment.

Par Value

The nominal or face value of a stock or bond as stated by the issuer, which may differ from its market value.

Coupon Rate

The yearly interest rate provided by a bond, shown as a percentage of the bond's nominal value.