Sunlight - Wikipedia
Sunlight is a key factor in photosynthesis, the process used by plants and other autotrophic organisms to convert light energy, normally from the Sun, into chemical energy that can be …
Sunlight | Definition, Wavelengths, & Facts | Britannica
Dec 24, 2025 · Sunlight, solar radiation that is visible at Earth’s surface. The amount of sunlight is dependent on the extent of the daytime cloud cover. Some places on Earth receive more than …
What Are the Benefits of the Sun's UV Rays? - Healthline
Aug 1, 2025 · While there are many good reasons to get some sunlight, it’s important to understand that the sun emits UV radiation. This radiation can penetrate the skin and damage …
Sunlight - Energy Education
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 …
Absorption / reflection of sunlight - Understanding Global Change
When sunlight strikes the Earth, it is mostly reflected or absorbed. Reflected light bounces back into space while absorbed light is the source of energy that drives processes in the …
Average Annual Sunshine by USA State - Current Results
The tables below pull together numbers on the amount of sunshine that each US state usually has in a year. There's information by state on the annual averages for percent, hours and days of …
Sunlight - Wikiwand
Sunlight is the portion of the electromagnetic radiation which is emitted by the Sun and received by the Earth, in particular the visible light perceptible to t...