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Singularity event creates the Universe. Temperature is 1032.
Inflation occurs creating space and filling with energy.
Expansion slows and Universe cools, basic forces of gravity, electromegnestism, weak & strong gravity formed, neutrinos, electrons, photons and quarks formed.
Nuclei of elements hydrogen and helium start to form.
Nucleosynthesis produces building blocks for other elements.
Most energy is in the form of radiation.
Matter and energy equalise. Atoms form.
First stars and galaxies form.
The Sun is born from a nebula in the Milky Way galaxy.
Today
