Measuring tall items or buildings is possible for you to do, even if you don't have a ladder. But how? In this experiment, you will be using shadow heights created by the sun to measure! You will ...
NASA would like you to take a picture of a tree, please. The space agency’s ICESat-2 satellite estimates the height of trees from space, and NASA has created a new tool for citizen scientists that can ...
Every now and then, a new map changes the way we view our planet. This is one of those maps. The map above shows the height of Earth’s forests, from stubby saplings to timbers towering more than 50 ...
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