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A Big History of Everything – H2

A Big History of Everything – H2

Clip 12:05 – 16:47. The Universe was initially too hot for anything form. After about 380,000 years, things cooled down enough for atoms to appear. Drawn together by gravity, these atoms gathered in dense clouds-- stars.

Key Ideas

As this video progresses, key ideas will be introduced to invoke discussion.

Think about the following questions as you watch the video


  1. What draws atoms of hydrogen and helium together into clouds?
  2. What happens as these clouds get larger?
  3. What was different about the Universe once stars arrived?