China completed commissioning of the world’s largest and most sensitive radio telescope on Saturday, putting it into formal operation after a productive three-year trial, according to Xinhua.
The telescope will gradually open to astronomers around the globe, providing them with a powerful tool to uncover the mysteries surrounding the genesis and evolutions of the universe.
All technical indicators of the telescope have reached or exceeded the planned level, and its performance is world-leading, Shen Zhulin, an official with the National Development and Reform Commission, said at a commissioning meeting Saturday.
The Five-hundred-meter Aperture Spherical radio Telescope (FAST) is a single-dish telescope with a diameter of half a kilometer and a receiving area equivalent to about 30 football fields. It is located in a naturally deep and round karst depression in southwest China’s Guizhou Province.
After its commissioning, FAST can now be used for observation at full capacity, and is expected to make a number of major scientific discoveries in the coming two or three years, said Jiang Peng, the chief engineer of the telescope.
In over two years, FAST has identified 102 new pulsars, more than the total number of pulsars discovered by research teams in Europe and the United States during the same period.
It has also improved the timing accuracy of pulsars to about 50 times the previous level, making it possible for humans to detect extremely low-frequency Nahertz gravitational waves for the first time.
Dubbed “China Sky Eye,” FAST is about 2.5 times as sensitive as the second-largest telescope in the world and capable of receiving a maximum of 38 gigabytes of information per second.
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