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invites students to learn about infrared light and step into the world of infrared astronomy. Teachers and students may discover light outside the visible spectrum with these classroom activities, experiments, and lessons. The site provides FAQs, ask-an-astronomer videos, an infrared astronomy timeline, and more. (National Aeronautics and Space Administration)
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Infrared light shows us the heat radiated by the world around us. By viewing animals with a thermal infrared camera, we can actually "see" the differences between warm and cold-blooded animals. Infrared also allows us to study how well feathers, fur and blubber insulate animals. |
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IR portraits |
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