500 m caliber Spherical radio Telescope (Five - hundred - meter Aperture Spherical radio Telescope) using hollow pit of karst area in guizhou as a Telescope sites, to build the world's largest
single caliber radio Telescope, it has a large reception area 30 standard football field. FAST, the world's largest single-aperture telescope, will be in the world class for the next 20 to 30 years.
The new design idea, combined with the advantaged location advantage, made it break through the telescope's 100-meter engineering limit, and created a new model for the construction of a giant radio
telescope.