About How Many Times Larger Are the Wavelengths of CMB

question 59

Multiple Choice

About how many times larger are the wavelengths of CMB photons today compared to when they were first emitted?

• A) 2
• B) 10
• C) 100
• D) 1000

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Mandatory financial charges imposed by a government on individuals, corporations, or other entities to fund public expenditure.

Commerce

The activity of buying and selling, especially on a large scale, involving transportation and exchange of goods and services.

Commodities

Basic goods used in commerce that are interchangeable with other goods of the same type.

Confederation

An organization that consists of a number of parties or groups united in an alliance or league, often referring to a union of states with limited central power.