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this post was submitted on 18 Aug 2023
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Asklemmy
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The LANDSAT program. Not exactly new since it's been going for about 50 years, but it's still fascinating and maybe more relevant than ever with concerns about climate change.
We can get different types of data about a landscape from the different parts of the light spectrum. For example, telling coniferous and deciduous trees apart based on how they reflect light. Imagine echolocation on steroids, using light.
https://youtu.be/DGE-N8_LQBo
Thanks for sharing this I always wondered where they got those pictures.