A Plainfield, IL, witness watched a "very bright" object that radiated a "halo-like appearance" move overhead at about 4,000 feet above 135th Street on the Northwest Side at 9:30 p.m. on August 22, 2010, according to testimony from the Mutual UFO Network (MUFON) witness reporting database."The light was so intense that no other navigational lights were seen and a halo-like appearance radiated outward from the object in a 360-degree fashion," the witness stated.The object's light was amber in color similar to a street lamp. It was silent, traveling at a...