Shooting Thousands of Stars at Once

It might be difficult to kill three birds with one stone.How about four thousand? A huge "gun" can do this.Located in Xingiong County,Heibei Province,the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) is able to observe 4,000 celestial bodies at a shot.The large volume of data collected is expected to greatly boost the pursuit of some fundamental astronomical issues.