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A pyranometer, used to measure global irradiance
A pyranometer, used to measure global irradiance
A pyrheliometer, mounted on a solar tracker, is used to measure Direct Normal Irradiance (or beam irradiance)
A pyrheliometer, mounted on a solar tracker, is used to measure Direct Normal Irradiance (or beam irradiance)
Sunlight carries radiant energy in the wavelengths of visible light. Radiant energy may be developed for solar power generation.
Sunlight carries radiant energy in the wavelengths of visible light. Radiant energy may be developed for solar power generation.
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The Blue Marble, Apollo 17, December 1972
The Blue Marble, Apollo 17, December 1972
A 2012 artistic impression of the early Solar System's protoplanetary disk from which Earth and other Solar System bodies were formed
A 2012 artistic impression of the early Solar System's protoplanetary disk from which Earth and other Solar System bodies were formed
Pale orange dot, an artist's impression of Early Earth, featuring its tinted orange methane-rich early atmosphere
Pale orange dot, an artist's impression of Early Earth, featuring its tinted orange methane-rich early atmosphere
Conjectured illustration of the scorched Earth after the Sun has entered the red giant phase, about 5–7 billion years from now
Conjectured illustration of the scorched Earth after the Sun has entered the red giant phase, about 5–7 billion years from now