Our universe began in a tremendous explosion known as the Big Bang about 13.7 billion years ago
How did the universe begin in order?
Our universe began with an explosion of space itself - the Big Bang. Starting from extremely high density and temperature, space expanded, the universe cooled, and the simplest elements formed. Gravity gradually drew matter together to form the first stars and the first galaxies
Following events of the beginning of the universe in order:-
The big bang-->formation of sun--> Birth of the earliest star-->origin of life on earth
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