The hand might look like an X-ray from the doctor's office, but it is actually a cloud of material ejected from a star that exploded. NASA's NuSTAR spacecraft has imaged the structure in high-energy X-rays for the first time, shown in blue. Lower-energy X-ray light previously detected by NASA's Chandra X-ray Observatory is shown in green and red.
This phenomenon only happens once every 2373 years and the last event was the December 3, 2012 one hour before sunrise. According to some thinkers the Giza Pyramids have been built according to the constellation of Orion, formed by the bright stars Alnitak, and Mintaka Alnilam. The largest of these pyramids was ordered built by the pharaoh of the Fourth Dynasty of Ancient Egypt Khufu and completed around 2570. C.