Opposite Sides of the Universe Have the Same Temperature,yet According

question 29

Multiple Choice

Opposite sides of the universe have the same temperature,yet according to the standard Big Bang theory,these points are too far apart for light to have traveled from one side to the other in the age of the universe;that is,they cannot have exchanged heat to even out their temperature.Why,then,do they have the same temperature?

• A) Light (and heat)could travel much faster in the early universe,allowing them to exchange heat while the universe was young.
• B) The expansion of the universe has always been the same everywhere;therefore,all parts of the universe have the same temperature,regardless of whether they have ever exchanged heat or not.
• C) Pure coincidence
• D) They were originally close together and evened out their temperature,then a rapid inflation of the universe carried them far apart.

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Definitions:

Regressive

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Effective Average

A calculated mean intended to provide a more accurate or meaningful representation of a set of values, taking into account various factors.

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Taxes collected by the national government, including income taxes and Social Security taxes.

Perfectly Elastic

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