The Nebra Sky Disc -- Mysterious Astronomical Device

About a decade ago, a mysterious bronze disk with astronomical markings was discovered in Germany. It's 30 centimeters in diameter and 5 centimeter thick and is inlaid with gold decorations of the sun, the moon and stars. Named the Nebra Sky Disc after the place where it was found, this disk is surprisingly old. Studies suggest it was made some 3,600 years ago. Furthermore, the latest scientific analyses of the designs embossed into it revealed the amazing astronomical knowledge of ancient people. The hidden mysteries of the world's oldest known astronomical device are now coming to light.