Use the Graph Above Showing Data for the Brightest Galaxies

question 19

Multiple Choice

Use the graph above showing data for the brightest galaxies in clusters of galaxies to answer the following question. You find a cluster of galaxies, but you do not know how far away it is. The brightest galaxy's infrared color is 0.65. Given the data for brightest galaxies in the graph above, your best estimate for the distance is:

• A) 2.5 x 10⁹ (2.5 billion) light years.
• B) 4 x 10⁹ (4 billion) light years.
• C) 1 x 10⁹ (1 billion) light years.
• D) It is impossible to say since there are exceptions.

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Definitions:

Recognition Lag

The time it takes for policymakers to identify and acknowledge an economic problem or trend.

Economic Policy

A set of strategies chosen by a government to influence its economy, including fiscal policy (use of government spending and taxation) and monetary policy (controlling the nation's money supply and interest rates).

Time Lags

The delays between the initiation and the effect of an economic policy or other financial actions, impacting their effectiveness.

Passive Approach

An investment strategy that minimizes buying and selling actions, favoring long-term holding and typically indexed investments.