Assuming a Radial Speed of a Galaxy to Be 100

question 25

Multiple Choice

Assuming a radial speed of a galaxy to be 100 km/s from us and Hubble's constant to be 23 km/s/10⁶ c · y, how far is the galaxy from us?

• A) 2300 ly
• B) 2300 Mly
• C) 4.3 Mly
• D) 0.23 Mly
• E) None of these is correct.

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Definitions:

Budget Deficit

The situation where a government's expenses exceed its revenues over a specified period of time.

Budget Surplus

A financial situation where a government's income exceeds its expenditures over a given period.

Long-Run Growth

The sustained upward trajectory in the economy's output over time, reflecting long-term increases in productivity and capacity.

Closed Economy

A closed economy is one that does not engage in international trade of goods and services, nor does it allow for capital flows from abroad.