Recombination & CMB Birth
Understanding Recombination: The Formation of Hydrogen Atoms 380,000 Years After the Big Bang

Discover what occurred 380,000 years post-Big Bang and learn about hydrogen atoms and Cosmic Microwave Background radiation.

Recombination Explained
Understanding the Universe: 400,000 Years After the Big Bang

Explore what happened 400,000 years after the Big Bang, including the formation of hydrogen and the Cosmic Microwave Background.