In the beginning it was dark and cold

Whirlpool Galaxy and its companion NGC 5195

The history of light coincides with the beginning of life, since without light, there would be no life.
In cosmogony, the nebular hypothesis is the most widely accepted model explaining the formation and evolution of the Solar System. The nebular hypothesis was first proposed in 1734 by Emanuel Swedenborg an developed in 1755 by the German philosopher Immanuel Kant.
About 4 billion years ago, soon after the Sun was formed, the Earth and other planets were formed from violent explosions and spinoffs from the process that created the Sun. Gradually oceans appeared and sunlight and water gave birth to life (3 Billion BC), eventually, intelligent life (2 Billion BC).