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2. The Big Bang
Big History will introduce you to many new ideas and claims. You won’t simply accept these claims as facts and move on. You’ll be encouraged to test them. You’ll learn how to evaluate information presented to you, and be encouraged to decide for yourself what to believe and what to investigate further.
All content in “2. The Big Bang”

2.0 The Big Bang

The Big Bang is where big history begins. Everything that's ever existed, including you, traces back to this unimaginably profound event.

2.1 How Did Our View of the Universe Change?

Through the ages, astronomers have used the tools of their time to understand the origin and structure of the Universe. Their views built upon one another, leading to our modern view of the Universe.


Review big history vocabulary and take the glossary challenge.


Download the teacher resources from the Big History Project classroom version of this course. Text captions for videos are also available.