A series of ancient tade routes that once connected China to the Roman Empire, which is called the Silk Road, held an ancient cemetery dating back to about 1,700 years. The cemetery was found in the city of Kucha, which is where the current northwest China resides. Ten tombs were found, seven of which turned out to be large brick structures.
An astrophysicist at the University of Liège in Belgium, and his team used the very large telescope in northern Chile in order to measure the orientations of 19 quasars, blazing disks of gas that twirl around supermassive black holes in the centers of galaxy. Each of them lives in one of four orientations of four groups that are about 13 billion light-years away and centered on the constellation Leo.