Heavenly Chinese dish

270916 radiofast 1
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.

Please login to favourite this article.