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What was it like when protons and neutrons formed?

What was it like when protons and neutrons formed?

For a substantial fraction of a second after the Big Bang, there was only a quark-gluon plasma. Here’s how protons and neutrons arose.
Go to the profile of Ethan Siegel
Ethan Siegel
What was it like when the Higgs gave particles mass?

What was it like when the Higgs gave particles mass?

In the very early Universe, practically all particles were massless. Then the Higgs symmetry broke, and suddenly everything was different.
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Ethan Siegel
What was it like when matter defeated antimatter?

What was it like when matter defeated antimatter?

In the earliest stages of the hot Big Bang, there equal amounts of matter and antimatter should have existed. Why aren’t they equal today?
Go to the profile of Ethan Siegel
Ethan Siegel
What was it like when the Universe was at its hottest?

What was it like when the Universe was at its hottest?

When the hot Big Bang first occurred, the Universe reached a maximum temperature never recreated since. What was it like back then?
Go to the profile of Ethan Siegel
Ethan Siegel
What was it like at the beginning of the Big Bang?

What was it like at the beginning of the Big Bang?

Some 13.8 billion years ago, the Universe became hot, dense, and filled with high-energy quanta all at once. Here’s what it was like.
Go to the profile of Ethan Siegel
Ethan Siegel
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