2 ideas from William Herschel, each explained in a minute and credited to the original work. Free on Savvy.
In 1800, astronomer William Herschel split sunlight with a prism and measured the temperature at each colour. On a hunch, he placed a thermometer just past the red end, where no vi…
— William Herschel, Investigation of the Powers of the Prismatic Colours to Heat and Illuminate Objects
William Herschel was scanning the night sky with a homemade telescope in his garden in 1781 when he spotted an object that refused to stay a point of light. He first assumed it was…
— William Herschel, Account of a Comet