Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
The Five-hundred-meter Aperture Spherical Telescope (FAST) is the world's largest single-dish radio telescope located in Guizhou, China. It is primarily used to observe pulsars and other celestial phenomena through radio waves.
5 Must Know Facts For Your Next Test
FAST has an aperture of 500 meters, making it the largest single-dish radio telescope in the world.
It was completed in September 2016 and began full operations in January 2020.
FAST's design allows it to cover frequencies from 70 MHz to 3 GHz.
The telescope has discovered hundreds of new pulsars since its inception.
Its location in a natural karst depression helps shield it from radio frequency interference.