$57.99 FAST telescope discovers 93 pulsars 
largest alien-finding telescope 
Five-hundred-meter Aperture Spherical ![five hundred meter aperture spherical telescope](http://www.people.com.cn/mediafile/pic/GQ/20151122/63/10853544028426593595.jpg "aperture spherical telescope \")
five hundred meter aperture spherical telescope
five hundred meter aperture spherical telescope
five hundred meter aperture spherical telescope
five hundred meter aperture spherical telescope
five hundred meter aperture spherical telescope
five hundred meter aperture spherical telescope
five hundred meter aperture spherical telescope