Protoplanetary Disks in the Orion Nebula

A NASA Hubble Space Telescope picture of three protoplanetary disks, called "proplyds" in the Orion Nebula, a star-forming region 1,500 light-years away. Each proplyd appears as thick disk with a hole in the middle where the cool star is located. Radiation from nearby hot stars "boils off" materi...