There were many scientists who studied the Sun’s energy output though there weren’t official records. British astronomer John Herschel (1792–1871) and French physicist Claude Pouillet (1790–1868) were some of the first who invented apparatus for measurements.
There were many scientists who studied the Sun’s energy output though there weren’t official records. British astronomer John Herschel (1792–1871) and French physicist Claude Pouillet (1790–1868) were some of the first who invented apparatus for measurements.