Sixteen years after a group of mysterious lights were spotted by thousands throughout the Valley, theories still swirl about what was overhead.
"Most people saw a mile to two-mile wide formation of lights in a V-formation gliding (at) rooftop level," said Dr. Lynne Kitei, who has been studying the phenomenon for years.
"Some people actually saw a craft. Others saw these orbs detach from the main environment
," she continued.
The mass sighting happened March 13, 1997, and Kitei says she's surprised there still has not been any definitive answer as to what was in the sky above Phoenix.
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