To Determine How the Expansion Rate of the Universe Has

question 63

Multiple Choice

To determine how the expansion rate of the universe has changed over time, astronomers directly measure the ________ for a sample of the Type Ia supernovae in distant galaxies.

• A) redshift and luminosity
• B) redshift and brightness
• C) redshift and distance
• D) distance and luminosity
• E) distance and brightness

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Definitions:

Kinks

Points at which there is a sudden change in direction or curve, often used in economics to describe non-linearities in graphs like the demand curve.

Indifference Curves

Graphical representations in microeconomics that illustrate different bundles of goods between which a consumer is indifferent, showing levels of utility.

Indifference Curves

Graphical representations in microeconomics showing different combinations of two goods that provide the same level of satisfaction to a consumer.

Slope

The measure of the steepness, incline, or grade of a linear graph, representing the ratio of the vertical change to the horizontal change between two points on the line.