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Chinese scientists build largest-ever extragalactic neutral hydrogen catalog with help of FAST telescope

01:14

Using the Five-hundred-meter Aperture Spherical Radio Telescope (FAST), or the "China Sky Eye," a team of Chinese astronomers have built the largest-ever high-quality catalog of extragalactic neutral hydrogen (HI) and published their groundbreaking achievements in the journal "Science China: Physics, Mechanics and Astronomy."

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