Story highlights Mystery light spotted in the West spur questions on social mediaPrevailing theory is that it's space junk from a Chinese rocket(CNN) Bright, long streaks of light soared across the sky from Utah to California, stunning residents who got an unexpected show Wednesday night. Theories over the stunning, mystery lights were many. Witnesses posted their videos on social media asking the burning question: What the heck was that? Witnesses shared their images and videos on social media, as well as their amazement over the sight. "We saw the most ridiculous fireball in the sky," said Ian Norman, a photographer, in a personal video account of what he saw from the slopes of the Sierra mountains in California.

Source: CNN July 28, 2016 09:56 UTC