<p>Galaxies collected into groups, clusters, and superclusters. Some stars died in supernova explosions, whose chemical remnants seeded new generations of stars and enabled the formation of rocky planets. On at least one such planet, life evolved to consciousness.</p>

Galaxies collected into groups, clusters, and superclusters. Some stars died in supernova explosions, whose chemical remnants seeded new generations of stars and enabled the formation of rocky planets. On at least one such planet, life evolved to consciousness.

Mystery in the formation of universe

Episode 2

<p>In this first episode we will see about the great mystery in the formation of universe.</p>

In this first episode we will see about the great mystery in the formation of universe.

Episode 1 Great mystery

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.

About

Episode 2

Episode 1 Great mystery