You know the space agency best for the way it uses probes, landers, telescopes, and satellites to show you worlds beyond your own, but the National Aeronautics and Space Administration has plenty of tools for taking a close look at Earth, too. To study the home planet’s atmosphere, weather, ice masses, and oceans, NASA operates a diverse fleet of aircraft planes, from the high-fling ER-2 to the Global Hawk drone.
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