In1800, Herschel was testing filters for the sun so he could observe sun spots. When using a red filter he found there was a lot of heat produced. He discovered infrared radiation
William Herschel - Wikipedia
Electromagnetic spectrum - Infrared radiation
In1800, Herschel was testing filters for the sun so he could observe Stock Photo - Alamy
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William Herschel measured the temperature of different colors of light - ppt video online download
Herschel infrared light experiments, 1800 - Stock Image - V501/0006 - Science Photo Library
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Niels Ltd.
William Herschel Discovery of Infrared Radiation 1800 Build
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.PNG "Dissecting the Sun")
Dissecting the Sun
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Sir William Herschel
Student Exploration- Herschel Experiment (ANSWER KEY) (1) - Flip Book Pages 1-3 | PubHTML5
