Heavenly Chinese dish


The world’s largest filled single-dish radio telescope is ready and raring to go.


Andreas Wicenec / ICRAR

FAST, or the Five-hundred-metre Aperture Spherical Telescope, is so large it had to be built into a valley in Guizhou province in south-west China.

It will let astronomers map hydrogen gas in the Milky Way galaxy, hunt for rotating neutron stars known as pulsars and look for signals of extraterrestrial intelligence.

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