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Infrared Astronomy – Seeing the Heat: from William Herschel to the Herschel Space Observatory: Clements, David L.: 9780367783723: Amazon.com: Books
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Applied Sciences | Free Full-Text | How Infrared Radiation Was Discovered—Range of This Discovery and Detailed, Unknown Information
![In 1800 William Herschel discovered “invisible light” It's energy with all the same characteristics as visible light, but is not sensed by the human eye. - ppt download In 1800 William Herschel discovered “invisible light” It's energy with all the same characteristics as visible light, but is not sensed by the human eye. - ppt download](https://images.slideplayer.com/16/5206908/slides/slide_2.jpg)