Why Can't We See Radiation Produced During the First 300,000

question 19

Multiple Choice

Why can't we see radiation produced during the first 300,000 years of the history of the universe?

• A)It was all absorbed and destroyed soon after it was emitted
• B)It hasn't reached us yet
• C)It has been deflected by black holes
• D)It passed by our part of the universe a few billion years ago

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Definitions:

Elements

The basic constituents of a data set, or the simplest units of which a substance or system is composed.

Effect Size

Effect size is a quantitative measure of the strength of a phenomenon, indicating the magnitude of a relationship or difference between groups in a statistical analysis.

T Test

An analytical technique comparing the averages of two groups to ascertain if their differences are statistically significant.

Independent Samples

Two or more groups of samples that are collected from populations that do not overlap, implying no participant appears in more than one group.