How everything began
Chapter 1
The first second of existence
View / Create
Answer
Chapter 2
The light that remains
View / Create
Answer
Chapter 3
Building the first atoms
View / Create
Answer
Chapter 4
From darkness to first stars
View / Create
Answer
YOUR GOAL
Master of How everything began
Ch 3 · Building the first atoms
teacher The hydrogen inside the water that you drink Was made before the stars could even start to blink.
Fun Fact
Primordial hydrogen: Every single hydrogen atom in your body's water molecules was created during the Big Bang, making you 13.8 billion years old.
Glossary
recombination (noun)
The process of combining or joining together again to form new combinations. About 380,000 years after the Big Bang, this process produced the universe's first neutral hydrogen.
The process of combining or joining together again to form new combinations. About 380,000 years after the Big Bang, this process produced the universe's first neutral hydrogen.
Quiz
What is the simplest chemical element, consisting of just one proton and one electron?