The Spectra of Stars in Other Galaxies Show a Doppler

question 51

Short Answer

The spectra of stars in other galaxies show a Doppler shift of spectral lines toward the ______ (color) end of the spectrum, thus providing evidence for the expansion of the universe.

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Definitions:

Output

is the total amount of goods and services produced by an economy, firm, or production process.

Market Price

The actual selling price of a good or service in the marketplace, influenced by supply and demand.

Long Run

A period in which all factors of production and costs can be fully adjusted, including entry and exit of firms.

Economic Profits

Profits that exceed the opportunity costs of all inputs, indicating a return beyond the norm expected in competitive markets.