Sunlight, also known as solar radiation, refers to the incoming light to the Earth that originated from the Sun. This light represents a portion of the electromagnetic spectrum that includes infrared, visible light, and ultraviolet light.

Where does sunlight come from?

Specifically, in the Sun's core, hydrogen atoms fuse to make helium. The energy produced in the core powers the Sun and produces all the heat and light the Sun emits.

Where does most of the sunlight come from?

Solar Radiation on Earth

The Sun's rays strike the surface most directly at the equator. Different areas also receive different amounts of sunlight in different seasons.