• Thumbnail for Solar irradiance
    Solar irradiance is the power per unit area (surface power density) received from the Sun in the form of electromagnetic radiation in the wavelength range...
    59 KB (7,094 words) - 15:23, 9 July 2025
  • In radiometry, irradiance is the radiant flux received by a surface per unit area. The SI unit of irradiance is the watt per square metre (symbol W⋅m−2...
    8 KB (1,122 words) - 17:04, 31 May 2025
  • Thumbnail for Solar cycle
    Total Solar Irradiance data Archived 2013-07-06 at the Wayback Machine updated every Monday N0NBH Solar data and tools SolarCycle24.com Solar Physics...
    90 KB (10,114 words) - 02:23, 7 July 2025
  • Thumbnail for Solar constant
    specifically, it is a flux density measuring mean solar electromagnetic radiation (total solar irradiance) per unit area. It is measured on a surface perpendicular...
    13 KB (1,791 words) - 13:11, 18 June 2025
  • Thumbnail for Sunlight
    Sunlight (redirect from Solar radiation)
    is estimated by NASA to be about a quarter of Earth's average total solar irradiance. The ultraviolet radiation in sunlight has both positive and negative...
    56 KB (5,999 words) - 17:29, 23 May 2025
  • Thumbnail for Solar activity and climate
    Patterns of solar irradiance and solar variation have been a main driver of climate change over the millions to billions of years of the geologic time...
    72 KB (7,647 words) - 15:05, 30 June 2025
  • Thumbnail for Solar Radiation and Climate Experiment
    instruments, including the Total Irradiance Monitor (TIM), Solar Stellar Irradiance Comparison Experiment (SOLSTICE), Spectral Irradiance Monitor (SIM), and the...
    10 KB (1,091 words) - 15:51, 5 September 2024
  • Thumbnail for Markov chain
    testing.[citation needed] Solar irradiance variability assessments are useful for solar power applications. Solar irradiance variability at any location...
    96 KB (12,900 words) - 19:30, 30 June 2025
  • Thumbnail for Radiative forcing
    of greenhouse gases and aerosols, and changes in surface albedo and solar irradiance. In more technical terms, it is defined as "the change in the net,...
    72 KB (7,255 words) - 05:31, 5 July 2025
  • Thumbnail for Solar gain
    absorbs incident solar radiation. The amount of solar gain a space experiences is a function of the total incident solar irradiance and of the ability...
    17 KB (2,309 words) - 08:04, 14 February 2025
  • Thumbnail for Sunspot
    Sunspot (redirect from Solar pore)
    limits on long-term variations in quiet-Sun irradiance and their contribution to total solar irradiance and solar radiative forcing of climate". Proceedings...
    41 KB (4,247 words) - 07:59, 21 June 2025
  • Thumbnail for Global dimming
    Global dimming (redirect from Solar dimming)
    dimming was observed soon after the first systematic measurements of solar irradiance began in the 1950s. This weakening of visible sunlight proceeded at...
    92 KB (9,718 words) - 01:00, 6 July 2025
  • Thumbnail for Solar power
    regions.: 8  Different measurements of solar irradiance (direct normal irradiance, global horizontal irradiance) are mapped below: North America South...
    90 KB (9,134 words) - 14:57, 9 July 2025
  • Thumbnail for Solar cell
    that affect the output power of solar cells, such as temperature, material properties, weather conditions, solar irradiance and more. A similar type of "photoelectrolytic...
    148 KB (16,501 words) - 03:55, 28 June 2025
  • Thumbnail for Solar luminosity
    years are thought to be much smaller than this. Solar luminosity is related to solar irradiance (the solar constant). Slow changes in the axial tilt of the...
    6 KB (641 words) - 21:12, 17 March 2025
  • type of actinometer used for measuring solar irradiance on a planar surface and it is designed to measure the solar radiation flux density (W/m2) from the...
    21 KB (2,755 words) - 05:20, 25 June 2025
  • Thumbnail for Sun
    Sun (redirect from Solar diameter)
    power. Solar activity is thought to have played a large role in the formation and evolution of the Solar System. Changes in solar irradiance over the...
    173 KB (19,378 words) - 23:39, 6 July 2025
  • Thumbnail for Climate of Italy
    cloudy weeks. Based on the maps on sunshine duration and on global solar irradiance in Italy, the areas with the highest values are the coasts of Sardinia...
    75 KB (4,870 words) - 19:33, 2 July 2025
  • Thumbnail for Solar panel
    or relocation of solar module systems. Vertical bifacial solar cells are oriented towards east and west to catch the sun's irradiance more efficiently...
    83 KB (9,404 words) - 23:31, 5 July 2025
  • Thumbnail for History of climate change science
    total solar irradiance has not increased since 1978, so the warming during the past 30 years cannot be directly attributed to an increase in total solar energy...
    149 KB (18,986 words) - 13:34, 9 July 2025
  • copula method for simulating correlated instantaneous solar irradiance in spatial networks". Solar Energy. 143: 10–21. Bibcode:2017SoEn..143...10M. doi:10...
    75 KB (9,347 words) - 09:50, 3 July 2025
  • 2012-07-11. Enphase Solar Monitoring Solar Irradiance Measurements Pearce, Joshua. M; Adegboyega Babasola; Rob Andrews (2012). "Open Solar Photovoltaic Systems...
    124 KB (13,846 words) - 13:17, 25 June 2025
  • insolation (the solar radiation that is scattered or reflected by atmospheric components in the sky). Direct insolation is equal to the solar irradiance above the...
    6 KB (667 words) - 04:33, 2 June 2025
  • Thumbnail for PI curve
    The PI (or photosynthesis-irradiance) curve is a graphical representation of the empirical relationship between solar irradiance and photosynthesis. A derivation...
    7 KB (925 words) - 01:03, 18 May 2024
  • Thumbnail for Solar-cell efficiency
    irradiance value of 1000 W/m2 for 2.74 hours a day. Usually solar panels are exposed to sunlight for longer than this in a given day, but the solar irradiance...
    51 KB (6,084 words) - 14:50, 27 June 2025
  • Thumbnail for Photovoltaics
    irradiance value of 1000 W/m2 for 2.74 hours a day. Usually solar panels are exposed to sunlight for longer than this in a given day, but the solar irradiance...
    115 KB (14,405 words) - 14:43, 27 June 2025
  • Thumbnail for Solar power by country
    significant solar power capacity into their electrical grids to supplement or provide an alternative to conventional energy sources. Solar power plants...
    101 KB (9,395 words) - 14:57, 9 July 2025
  • Thumbnail for Upper Atmosphere Research Satellite
    other objects in the Solar System. The ACRIM2 instrument on the UARS satellite measured the total solar irradiance (TSI), the total solar radiant energy reaching...
    24 KB (2,440 words) - 00:07, 4 July 2025
  • Thumbnail for Parker Solar Probe
    the important solar poles and came even closer to the surface (3 R☉, a perihelion of 4 R☉), the extreme variation in solar irradiance made for an expensive...
    95 KB (8,589 words) - 08:33, 3 July 2025
  • Thumbnail for Watt
    receives typically about one kilowatt of sunlight from the Sun (the solar irradiance) (on a clear day at midday, close to the equator). Megawatt Many events...
    30 KB (3,283 words) - 09:19, 5 July 2025