ARTi

How everything began

Chapter 1

The first second of existence

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Chapter 2

The light that remains

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Chapter 3

Building the first atoms

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Chapter 4

From darkness to first stars

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YOUR GOAL

Master of How everything began

Ch 1 · The first second of existence
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teacher In just one second we grew so wide (Oh yeah!) / Four forces split and the laws aligned (Alright!)

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A hot soup of raw particles

teacher A hot soup of raw particles

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Fun Fact

Cosmic speed limits: During inflation, the universe expanded faster than the speed of light because space itself can stretch without violating physics rules.

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The birth of fundamental forces

teacher The birth of fundamental forces

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Glossary
inflation (noun)
The action of inflating something or the state of being inflated. In the universe's initial moments, space expanded exponentially faster than the speed of light.

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Quiz

Which of the following is NOT one of the four fundamental forces of nature?

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Gossip

Which cosmological mystery would you solve first?

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Quiz

Which facility successfully recreated the early universe's quark-gluon plasma in 2005?

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Quiz

What happens when a particle of matter meets its antimatter counterpart?

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Quiz

Why did some matter survive the early universe instead of being entirely annihilated by antimatter?

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Quiz

What state of matter existed in the first millionth of a second of the universe?

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Quiz

What was cosmic inflation in the early universe?

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Quiz

What was actually expanding during the Big Bang?

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Quiz

How long ago do scientists estimate the Big Bang occurred?

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