Redshift Measurements of a Galaxy Yield a Recession Speed of 1700

question 34

Multiple Choice

Redshift measurements of a galaxy yield a recession speed of 1700 km/s. Hubble's constant H is 23-km/s/10⁶ ly. The distance to the galaxy is approximately

• A) 36 × 10⁶ ly.
• B) 47 × 10⁶ ly.
• C) 53 × 10⁶ ly.
• D) 66 × 10⁶ ly.
• E) 74 × 10⁶ ly.

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Definitions:

Downward Sloping

A descriptive term for a graph line that shows a decrease in value as it moves from left to right, often used in economics to describe demand curves.

Demand Curve

A graph showing the relationship between the quantity of a commodity demanded and its price.

Monopolist

An entity that is the sole provider of a particular product or service in a market, thereby controlling its price.

Downward-Sloping

A term often used in economics to describe a line or curve on a graph that depicts a decrease in one variable as another variable increases, commonly seen in demand curves.