Approximately How Long After the Big Bang Did the First

question 13

Multiple Choice

Approximately how long after the big bang did the first galaxies and stars form?

• A) a hundred years
• B) a thousand years
• C) a billion years
• D) a million years

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Definitions:

Cheerful Outlook

A positive mindset that typically leads to optimistic interpretations of situations and events.

Exercise

Physical activity that is planned, structured, and repetitive for the purpose of conditioning the body.

Independent Variable

The variable that is manipulated in an experiment to test its effects on the dependent variable.

Review Session

A meeting or period devoted to recapping and discussing content previously covered, often used as preparation for exams or to ensure understanding.