HISTORY OF UNIVERSE - English!

In this video Lets learn about HISTORY OF UNIVERSE - English!
The history of the universe began with the Big Bang, when a dense, hot, single point expanded into space, time, and matter.
Early universe
The universe was opaque for nearly 400,000 years.
It was a hot soup of particles, including protons, neutrons, and electrons.
Protons and neutrons collided to form hydrogen and helium.
The universe was too hot for the nuclei of these elements to catch electrons and form complete atoms.
Expansion and cooling
As the universe expanded and cooled, the ionized atoms of hydrogen and helium attracted electrons, becoming neutral atoms.
This allowed light to travel freely for the first time.
Gravity caused gas and dust to form galaxies, stars, planets, and more.
Current understanding
The Big Bang Theory is the primary model in cosmology.
It explains how the universe began and accounts for observations like the distribution of galaxies and cosmic microwave background radiation.
However, the theory has limitations and has sparked discussions about alternative models.
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Видео HISTORY OF UNIVERSE - English! канала Universe Facts