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2. Sunlight - Wikipedia

   en.wikipedia.org/wiki/Sunlight

   Taken on 20 October 1968 from Apollo 7. Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is scattered and filtered through Earth's atmosphere as daylight when the Sun is above the horizon.

3. Lahaina Noon - Wikipedia

   en.wikipedia.org/wiki/Lahaina_Noon

   Lahaina Noon. Lāhainā Noon, also known as a zero shadow day, is a semi-annual tropical solar phenomenon when the Sun culminates at the zenith at solar noon, passing directly overhead (above the subsolar point ). [ 1] As a result, the sun's rays will fall exactly vertical relative to an object on the ground and cast no observable shadow. [ 2]

4. Solar street light - Wikipedia

   en.wikipedia.org/wiki/Solar_street_light

   A solar street light in British Columbia, Canada. The solar panel is one of the most important parts of a solar street light, as the solar panel can convert solar energy into electricity that the lamps can use. There are two types of solar panels commonly used in solar street lights: monocrystalline and polycrystalline. The conversion rate of ...

5. Solar zenith angle - Wikipedia

   en.wikipedia.org/wiki/Solar_zenith_angle

   The solar zenith angle is the zenith angle of the sun, i.e., the angle between the sun’s rays and the vertical direction. It is the complement to the solar altitude or solar elevation, which is the altitude angle or elevation angle between the sun’s rays and a horizontal plane. [ 1][ 2] At solar noon, the zenith angle is at a minimum and is ...

6. Barnegat Lighthouse - Wikipedia

   en.wikipedia.org/wiki/Barnegat_Lighthouse

   Barnegat Light was commissioned on January 1, 1859. The tower light was 172 feet (52 m) above sea level and the lighthouse itself was 163 feet (50 m) tall, four times taller than the original. The new light was a first-order flashing Fresnel lens, which stood about 12 feet (3.7 m) tall. The total cost of the project was about $40,000, with the ...

7. Solar cell - Wikipedia

   en.wikipedia.org/wiki/Solar_cell

   Solar cell. A conventional crystalline silicon solar cell (as of 2005). Electrical contacts made from busbars (the larger silver-colored strips) and fingers (the smaller ones) are printed on the silicon wafer. Symbol of a Photovoltaic cell. A solar cell or photovoltaic cell ( PV cell) is an electronic device that converts the energy of light ...