The Five-hundred-meter Aperture Spherical radio Telescope (FAST, for short) is a five-hundred-meter aperture spherical radio telescope in China. Its aim, though, is more creative than its name. FAST—the world’s largest radio telescope—is gathering radio waves to learn about dark matter, gravitational waves, radio bursts, and to eavesdrop on potential alien chatter. 📸 SkySat • Tianyan, Pingtang County, China • October 15, 2022 #planet #planetlabs #satellitephotography #aerialphotography #satellite #earth #nature #birdseyeview #instadaily #picoftheday #travel #explore #space #earthfromspace #satelliteimagery