sunlight
Sign in to savethumb|right|The Sun, as seen from low Earth orbit overlooking the International Space Station. This sunlight is not filtered by the lower atmosphere, which blocks much of the solar spectrum.
AI overview
Sunlight is electromagnetic radiation that travels from the Sun to Earth, and the lower atmosphere filters out significant portions of it before reaching the surface. It matters because it provides the energy that drives weather, enables photosynthesis, and supports life on our planet.
AI-generated from the Wikipedia summary — may contain errors.
Article
20 sectionsContents
- Measurement
- Composition and power
- Published tables
- Intensity in the Solar System
- Variations in solar irradiance
- Seasonal and orbital variation
- Solar intensity variation
- Solar irradiance
- Solar constant
- Total solar irradiance (TSI) and spectral solar irradiance (SSI) upon Earth
- Surface illumination and spectrum
- Spectral composition of sunlight at Earth's surface
- Life on Earth
- Cultural aspects
- Effects on human health
- Effect on plant genomes
- See also
- References
- Further reading
- External links
thumb|right|The Sun, as seen from low Earth orbit overlooking the International Space Station. This sunlight is not filtered by the lower atmosphere, which blocks much of the solar spectrum.
thumb|right|Sunrise over the Gulf of Mexico and [[Florida. Taken on 20 October 1968 from Apollo 7.]]