Question

what is the main source of light .?​

Answer 1

The Sun

The Sun is the major source of light for the earth. The sun is a massive ball of fire, at the center of which nuclear fusion produces massive energy.

Answer 2

The Sun is the major source of light for the earth.

The sun is a massive ball of fire, at the center of which nuclear fusion produces massive energy. This energy comes out as heat and light. The light from the sun is one of the major factors behind the sustainability of life on earth.