How was the universe born. The birth of Universe. The big bang theory. Expansion of Universe.
Автор: Imaginator Guru
Загружено: 2025-02-15
Просмотров: 58
The Big Bang Theory is the prevailing cosmological model for the universe's earliest known periods and its subsequent large-scale evolution. Here's a breakdown of the key concepts:
The Singularity:
The theory posits that the universe originated from an extremely hot, dense state called a singularity. This singularity contained all of the universe's matter and energy in an infinitesimally small space.
Expansion:
The Big Bang wasn't an "explosion" in the traditional sense, but rather a rapid expansion of space itself. This expansion continues to this day.
Early Universe:
In the immediate aftermath of the Big Bang, the universe was incredibly hot. As it expanded, it cooled, allowing for the formation of subatomic particles, then atoms, and eventually stars and galaxies.
Key Evidence:
Several pieces of evidence support the Big Bang Theory:
Redshift: The observation that galaxies are moving away from us, indicating the universe is expanding.
Cosmic Microwave Background (CMB): The afterglow of the Big Bang, a faint radiation that permeates the universe.
Abundance of Light Elements: The observed proportions of hydrogen and helium in the universe match predictions made by the Big Bang Theory.
In essence, the Big Bang Theory describes the universe's evolution from an incredibly hot, dense state to the vast, expanding cosmos we observe today.
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